Your Ultimate Guide To Near Infrared Spectrometer: FAQs Answered.
Are you contemplating adding a near infrared spectrometer to your lab，research institutions or production enterprise? This comprehensive FAQ guide offers essential information to assist you in making an informed decision.
As a premier manufacturer of NIR spectrometer, we recognize the distinctive requirements of QC engineer, pharmaceutical R&D staff, laboratory scientist and material researcher. This guide addresses a broad spectrum of topics, including NIR definition, working principle, price and how to buy.
Whether you are an experienced professional in the labs or research institutions or newcomer, our FAQ guide provides valuable insights and practical advice according to your needs.
What Is NIR Spectroscopy?
NIR Spectroscopy, also known as Near-Infrared Spectroscopy or NIR, is a method based on the interaction of near-infrared (NIR) light with matter, which allows rapid, non-destructive qualitative and quantitative analysis of solid or liquid samples by measuring the amount of NIR radiation absorbed by the sample.
How Does NIR Spectroscopy Work?
Near infrared spectroscopy illuminates a sample by emitting NIR light of different wavelengths, the sample absorbs or reflects light of a specific wavelength, the spectrum is broken down by a spectroscopic system, and the signal is converted by a detector, which then calculates and determines the concentration and composition of the sample.
Advantages And Disadvantages Of NIR Spectroscopy.
What Are The Limitations Of NIR Spectroscopy?
Inorganic and metallic elements cannot be detected.
Cannot do low detection limit detection analysis.
What Does Near Infrared Spectroscopy Measure?
Near Infrared Spectroscopy equipment can measure organic Ingredients: Starch, moisture, fat, ash, protein, fiber in foods, legumes, grains, feed, milk, etc.
What Is Near Infrared Spectroscopy Used For?
NIR spectroscopy machine is To be used for rapid, non-destructive detection of the chemical composition or physical properties of a sample. Suitable for food, grain, soybeans, feed, pharmaceutical and other industries.
NIR Vs FT-NIR Spectrometers.
NIR Spectroscopy Vs FTIR.
NIR Vs IR Spectroscopy.
The main difference is the range of bands, with NIR using the near-infrared region (780-2500 nm) and FTIR using the mid-infrared region（4000 - 400 cm-1 ).
Raman Vs NIR Spectroscopy.
NIR Spectroscopy Vs UV Vis NIR Spectroscopy.
MIR Vs NIR Spectroscopy.
Why Use NIR Spectroscopy?
NIR spectrohotometer is used for fast, non-destructive and highly efficient analysis of a wide range of parameters in solids, liquids and thin films, both qualitatively and quantitatively, as well as for on-line monitoring and large-scale quality control processes.
What Are The Applications Of NIR Spectroscopy?
What Is Working Principle Of NIR Spectroscopy?
The analytical principle of NIR spectroscopy instrumentation is based on irradiating near-infrared light onto a sample and analyzing the composition or content of the sample by detecting the absorption or reflection of the light in combination with a calibrated model.
Hysteresis In NIR Spectroscopy.
In near-infrared spectroscopy (NIR) analysis, hysteresis usually refers to the phenomenon of deviation between the measurement results and the sample due to time delays and so on. This hysteresis can be caused by factors such as delayed detector signal conversion, light source instability, sample processing lag, etc.
How Accurate Is Near Infrared Spectroscopy?
The accuracy of near-infrared spectrometer (NIRS) technology is mainly reflected in the consistency between its measurements and the true values, wavelength stability and source system reliability over long periods of time, very low probability of error.
How To Build Near Infrared Spectroscopy?
Building a near-infrared (NIR) analyzer requires careful selection of optical components, including light sources, sample holders, beam splitters, detectors, and spectral acquisition programs, all of which ensure accurate use of the instrument.
What Are The Components Of NIR Machine?
How To Generate Near Infrared Light For Spectroscopy?
Common light sources
Halogen lamps: Produce a continuous spectrum by heating a tungsten filament with an electric current, covering light up to the near-infrared region.
LEDs: Emit near-infrared light of a specific wavelength based on semiconductor materials.
How To Use Near Infrared Reflectance Spectroscopy?
Preparation
Turn on the instrument and preheat the light source.
Check that the fiber optic probe or sample chamber is clean.
Calibration
Collect the background spectrum with a standard white board to eliminate ambient light interference.
Frequency calibration.
Sample Preparation
Prepare solid, liquid, powder, and thin film samples for direct analysis in advance
Parameter Setting
Selection of detection mode
Adjustment of the wavelength range
Set the number of scans
Data Acquisition
Place the sample in the sample chamber and start scanning.
Make sure the sample completely covers the light spot.
Save Data
Record test results and save the spectrum file.
What Is Near Infrared Reflectance Spectroscopy?
Near-Infrared Reflectance Spectroscopy (NIRS) is an analytical instrument based on the reflection of light signals from the interaction of near-infrared light with a sample, which enables rapid and non-destructive determination of the content and properties of solid, powdered or opaque samples.
Why Near Infrared Spectroscopy Good For Food?
In the food safety quality control process, NIR food analyzer enables fast, non-destructive and environmentally friendly determination of the type of substances, additive composition, nutrient content, contamination and adulterated products in food.
Different substances in food absorb or reflect specific infrared radiant light, which, combined with proven analytical models, can be analyzed quantitatively and qualitatively.
Food products include meat, milk, bread, pasta, honey, vegetables, fruits, beverages and seafood.
Parameters detected in food products include protein, carbohydrates, moisture, fat, oil, starch, ash, polymers, amino acids, additives, vitamins, and more.
Classification of NIR Machine.
What Wavelength Is NIR?
NIR spectroscopy device wavelength range is about 800-2500nm.
What Does NIR Show?
NIR process analyzer is used to qualitatively and quantitatively measure moisture, protein, amino acids, fat, starch, sugar, fiber and ash etc.
What Does NIR Stand For?
NIR spectroscopy instrument is the abbreviation for near-infrared. NIR analyzer enables efficient, non-destructive qualitative and quantitative analysis of substances.
Calibration Of A Near Infrared Spectroscopy.
1. Wavelength calibration: Scanning the standard and comparing the position of its known characteristic absorption peaks to adjust the wavelength offset of the instrument.
2. Radiation intensity calibration:Collect the standard plate spectrum, compare the historical data or factory parameters, and correct the light intensity response curve.
3. Background Calibration:Scanning a standard white plate as a reflection reference. Scan air as transmission background.
3.Chemometric model calibration.
How Much Does A NIR Analyzer Cost?
Near infrared spectrometer price
It wouldn’t be right to mention one fixed amount.
The nir spectroscopy price will vary from model to model.
To know the exact price, you can ask your preferred manufacturer to provide a quotation for the type of NIR instrumentation you want.
How To Buy A NIR Spectroscopy Machine From China?
Importing NIR Spectroscopy Machine from China can be difficult for those who are new to international imports.
Purchasing from a reputable manufacturer and supplier eliminates hassle of logistics, as they handle the safe and reliable delivery of the product directly to your place.
When buying the NIR Spectroscopy Machine, it is important to keep the following points in mind:
1. Confirm that your selected supplier can securely export and deliver the machine, and ensure that your agreement includes all essential shipping information.
2. Choose the delivery way (by sea, air, or express) based on your preference.
3. Remember to factor in duty imports and taxes when calculating the total cost.
How Does a Manufacturer Deliver The Near Infrared Spectroscopy NIRS?
NIRS spectrometer delivery
Safe shipping is so important as quality manufacturing.
A responsible manufacturer should deliver your NIR spectroscopy instrument safely.
Most NIR spectrometers manufacturers use export wooden case to pack the device.
You should read all the necessary instructions available on the sides of the boxes before boxing.
Is There Any Warranty On NIR Analyzers?
For optimal performance, it is important to regularly maintain your near infrared spectrophotometer, so it can operate efficiently for an extended period. It is essential to be aware of the warranty coverage for your equipment, as it ensures that any manufacturing issues will be repaired at no additional cost by the supplier. Therefore, it is recommended to purchase a nir diffuse reflectance spectroscopy from a manufacturer that offers warranty services —Cialan.
Reputable amusement manufacturers typically provide a 1-year warranty. for example, offers complimentary repair and maintenance services during the first year.
Before purchasing a atomic absorption instrument, it is advisable to review the warranty period and other associated terms and conditions.
What After-Sale Service Does a NIR Supplier Provide?
The reliable nirs infrared spectroscopy suppliers offers the following after-sale services:
1. Secure product delivery.
2. Thorough inspection prior to installation.
3. Complimentary online guidance for device installation and maintenance.
4. Free training for your users.
5. Regular assessments of your NIR equipment.
Can You Do OEM&ODM For NIRS Spectroscopy?
Yes, Cialan can do OEM#OEM for our users, just send us your requirements for NIRS analysis.
Where To Find Spectroscopie NIR Manufacturers?
Numerous online directories can connect you with spectroscopie NIRS manufacturers.
A simple search for "top-rated NIR food analyzer manufacturers" yields multiple options. However, it's essential to exercise caution when selecting a manufacturer from online search results. Before making a decision, conduct thorough research on the company's background and reputation. Look up reviews on “Google” and reputable review sites to gauge their credibility.
Additionally, It's also crucial to review their portfolio of request that potential manufacturers share examples of their previous work to ensure they meet your standards.
How To Choose a Right NIR-Sspectroscopie System?
Is the sample to be analyzed qualitatively or quantitatively?
Is the sample a solid, powder, granule, liquid or film?
Is the sample to be analyzed in the laboratory or on-line for rapid analysis in the field?
What is the spectral wavelength range required?
Is the detection mode transmission, reflection or diffuse reflection?
What will be your budget?
What Should You Look For In a Perfect NIR Spectroscopy?
Covering the full NIR band with high sensitivity and resolution.fast analysis speed, low energy consumption, cost-effective, easy to carry.
As a premier manufacturer of NIR spectrometer, we recognize the distinctive requirements of QC engineer, pharmaceutical R&D staff, laboratory scientist and material researcher. This guide addresses a broad spectrum of topics, including NIR definition, working principle, price and how to buy.
Whether you are an experienced professional in the labs or research institutions or newcomer, our FAQ guide provides valuable insights and practical advice according to your needs.
What Is NIR Spectroscopy?
NIR Spectroscopy, also known as Near-Infrared Spectroscopy or NIR, is a method based on the interaction of near-infrared (NIR) light with matter, which allows rapid, non-destructive qualitative and quantitative analysis of solid or liquid samples by measuring the amount of NIR radiation absorbed by the sample.
How Does NIR Spectroscopy Work?
Near infrared spectroscopy illuminates a sample by emitting NIR light of different wavelengths, the sample absorbs or reflects light of a specific wavelength, the spectrum is broken down by a spectroscopic system, and the signal is converted by a detector, which then calculates and determines the concentration and composition of the sample.
Advantages And Disadvantages Of NIR Spectroscopy.
| Advantages | Disadvantages |
|
|
What Are The Limitations Of NIR Spectroscopy?
Inorganic and metallic elements cannot be detected.
Cannot do low detection limit detection analysis.
What Does Near Infrared Spectroscopy Measure?
Near Infrared Spectroscopy equipment can measure organic Ingredients: Starch, moisture, fat, ash, protein, fiber in foods, legumes, grains, feed, milk, etc.
What Is Near Infrared Spectroscopy Used For?
NIR spectroscopy machine is To be used for rapid, non-destructive detection of the chemical composition or physical properties of a sample. Suitable for food, grain, soybeans, feed, pharmaceutical and other industries.
NIR Vs FT-NIR Spectrometers.
| NIR | FT-NIR |
| Using gratings, prisms to split light. Lower scanning speed. Lower SNR Cost effective. Non-destructive analysis |
Michelson interferometer and Fourier transforms. Fast scanning speed. Higher SNR Expensive. High resolution and sensitivity. Samples need to be pretreatment. |
NIR Spectroscopy Vs FTIR.
| NIR | FTIR |
| Near-infrared wavelengths (800 - 2500 nm) Low sensitivity, suitable for detecting simple components. More suitable for analyzing organic compounds, advantageous for quantitative analysis of samples. Non-destructive analysis |
Mid-infrared wavelengths (4000 - 400 cm-1 ) Clearly distinguish the characteristic peaks of functional groups. Can be used to analyze organic and inorganic compounds. Samples need to be pretreatment. |
NIR Vs IR Spectroscopy.
The main difference is the range of bands, with NIR using the near-infrared region (780-2500 nm) and FTIR using the mid-infrared region（4000 - 400 cm-1 ).
Raman Vs NIR Spectroscopy.
| Raman | NIR |
| Based on inelastically scattered light. Raman spectra are sensitive to asymmetrically stretched molecules. Less affected by water interference |
Measures the absorption of near-infrared light by a sample. NIR spectra are characterized by sensitivity to symmetrical vibrations. Sensitive to interference from water. |
NIR Spectroscopy Vs UV Vis NIR Spectroscopy.
| NIR | UV-VIS-NIR |
| 800-2500 nm, near infrared region. Mainly detects multiplicative and combinatorial frequencies of molecular vibrations. |
190-2500 nm, contains three regions: UV, visible, near infrared. Simultaneously analyzes electron transitions (UV-Vis) and molecular vibrations (NIR). |
MIR Vs NIR Spectroscopy.
| NIR | MIR |
| Wavelength range : 800-2500 nm. Low energy, detects multiplicative and combinatorial frequencies of molecular vibrations. NIR light has a high penetration depth. |
Wavelength range: 2500-30000 nm. High energy, detects fundamental frequencies of molecular vibrations. MIR light penetrates to a small depth. |
Why Use NIR Spectroscopy?
NIR spectrohotometer is used for fast, non-destructive and highly efficient analysis of a wide range of parameters in solids, liquids and thin films, both qualitatively and quantitatively, as well as for on-line monitoring and large-scale quality control processes.
What Are The Applications Of NIR Spectroscopy?
| Agriculture | Crop quality testing: rapid determination of moisture, protein, fat and starch content in grains, fruits and vegetables. Soil analysis to assess soil quality, nutrient content, contaminants, etc. Crop species identification. Analysis of feed for moisture, fiber, protein, etc. |
| Food | Detection of nutrient content of food such as protein, vitamins, etc. Detection of adulteration and authenticity of food products to ensure food processing and safety. |
| Pharmaceutic | Pharmaceutical quality control: drug analysis, preparation quality control, detection of active ingredient content, impurity types and content of drugs, identification and quality control of Chinese herbal medicines. |
| Petrochemicals | Rapid analysis of oil products, analysis of raw materials, quality control of products, analysis of their chemical composition and physical properties. Analysis of moisture content and active ingredients in cosmetics. |
| Material Science | Polymer materials, textiles, ore analysis. |
What Is Working Principle Of NIR Spectroscopy?
The analytical principle of NIR spectroscopy instrumentation is based on irradiating near-infrared light onto a sample and analyzing the composition or content of the sample by detecting the absorption or reflection of the light in combination with a calibrated model.
Hysteresis In NIR Spectroscopy.
In near-infrared spectroscopy (NIR) analysis, hysteresis usually refers to the phenomenon of deviation between the measurement results and the sample due to time delays and so on. This hysteresis can be caused by factors such as delayed detector signal conversion, light source instability, sample processing lag, etc.
How Accurate Is Near Infrared Spectroscopy?
The accuracy of near-infrared spectrometer (NIRS) technology is mainly reflected in the consistency between its measurements and the true values, wavelength stability and source system reliability over long periods of time, very low probability of error.
How To Build Near Infrared Spectroscopy?
Building a near-infrared (NIR) analyzer requires careful selection of optical components, including light sources, sample holders, beam splitters, detectors, and spectral acquisition programs, all of which ensure accurate use of the instrument.
What Are The Components Of NIR Machine?
| Light Sources | Halogen lamps or LEDs emit a stable, intense near-infrared light source. |
| Sample holder | The sample is placed on the holder and the light source shines on the sample, and measurement is made by absorption and reflection. |
| Detector | Detectors convert optical signals into electrical signals, such as InGaAs (Indium Gallium Arsenide) are highly sensitive. |
| Beam Splitter | Breaks down near-infrared light into monochromatic light, commonly grating and prisms. |
| Spectral acquisition and analysis software | Used to collect and process spectral data to determine the composition and content of the sample. |
How To Generate Near Infrared Light For Spectroscopy?
Common light sources
Halogen lamps: Produce a continuous spectrum by heating a tungsten filament with an electric current, covering light up to the near-infrared region.
LEDs: Emit near-infrared light of a specific wavelength based on semiconductor materials.
How To Use Near Infrared Reflectance Spectroscopy?
Preparation
Turn on the instrument and preheat the light source.
Check that the fiber optic probe or sample chamber is clean.
Calibration
Collect the background spectrum with a standard white board to eliminate ambient light interference.
Frequency calibration.
Sample Preparation
Prepare solid, liquid, powder, and thin film samples for direct analysis in advance
Parameter Setting
Selection of detection mode
Adjustment of the wavelength range
Set the number of scans
Data Acquisition
Place the sample in the sample chamber and start scanning.
Make sure the sample completely covers the light spot.
Save Data
Record test results and save the spectrum file.
What Is Near Infrared Reflectance Spectroscopy?
Near-Infrared Reflectance Spectroscopy (NIRS) is an analytical instrument based on the reflection of light signals from the interaction of near-infrared light with a sample, which enables rapid and non-destructive determination of the content and properties of solid, powdered or opaque samples.
Why Near Infrared Spectroscopy Good For Food?
In the food safety quality control process, NIR food analyzer enables fast, non-destructive and environmentally friendly determination of the type of substances, additive composition, nutrient content, contamination and adulterated products in food.
Different substances in food absorb or reflect specific infrared radiant light, which, combined with proven analytical models, can be analyzed quantitatively and qualitatively.
Food products include meat, milk, bread, pasta, honey, vegetables, fruits, beverages and seafood.
Parameters detected in food products include protein, carbohydrates, moisture, fat, oil, starch, ash, polymers, amino acids, additives, vitamins, and more.
Classification of NIR Machine.
| Detection Mode | Usage Scenarios | Wavelength Range |
| Transmission NIR Reflection NIR Diffuse reflection NIR |
Benchtop NIR spectrometer Portable NIR spectrometer Online NIR analyzer |
Short-wave NIR (SW-NIR) 800-1100 nm Long-wave NIR (LW-NIR) 1100-2500 nm |
What Wavelength Is NIR?
NIR spectroscopy device wavelength range is about 800-2500nm.
What Does NIR Show?
NIR process analyzer is used to qualitatively and quantitatively measure moisture, protein, amino acids, fat, starch, sugar, fiber and ash etc.
What Does NIR Stand For?
NIR spectroscopy instrument is the abbreviation for near-infrared. NIR analyzer enables efficient, non-destructive qualitative and quantitative analysis of substances.
Calibration Of A Near Infrared Spectroscopy.
1. Wavelength calibration: Scanning the standard and comparing the position of its known characteristic absorption peaks to adjust the wavelength offset of the instrument.
2. Radiation intensity calibration:Collect the standard plate spectrum, compare the historical data or factory parameters, and correct the light intensity response curve.
3. Background Calibration:Scanning a standard white plate as a reflection reference. Scan air as transmission background.
3.Chemometric model calibration.
How Much Does A NIR Analyzer Cost?
Near infrared spectrometer price
It wouldn’t be right to mention one fixed amount.
The nir spectroscopy price will vary from model to model.
To know the exact price, you can ask your preferred manufacturer to provide a quotation for the type of NIR instrumentation you want.
How To Buy A NIR Spectroscopy Machine From China?
Importing NIR Spectroscopy Machine from China can be difficult for those who are new to international imports.
Purchasing from a reputable manufacturer and supplier eliminates hassle of logistics, as they handle the safe and reliable delivery of the product directly to your place.
When buying the NIR Spectroscopy Machine, it is important to keep the following points in mind:
1. Confirm that your selected supplier can securely export and deliver the machine, and ensure that your agreement includes all essential shipping information.
2. Choose the delivery way (by sea, air, or express) based on your preference.
3. Remember to factor in duty imports and taxes when calculating the total cost.
How Does a Manufacturer Deliver The Near Infrared Spectroscopy NIRS?
NIRS spectrometer delivery
Safe shipping is so important as quality manufacturing.
A responsible manufacturer should deliver your NIR spectroscopy instrument safely.
Most NIR spectrometers manufacturers use export wooden case to pack the device.
You should read all the necessary instructions available on the sides of the boxes before boxing.
Is There Any Warranty On NIR Analyzers?
For optimal performance, it is important to regularly maintain your near infrared spectrophotometer, so it can operate efficiently for an extended period. It is essential to be aware of the warranty coverage for your equipment, as it ensures that any manufacturing issues will be repaired at no additional cost by the supplier. Therefore, it is recommended to purchase a nir diffuse reflectance spectroscopy from a manufacturer that offers warranty services —Cialan.
Reputable amusement manufacturers typically provide a 1-year warranty. for example, offers complimentary repair and maintenance services during the first year.
Before purchasing a atomic absorption instrument, it is advisable to review the warranty period and other associated terms and conditions.
What After-Sale Service Does a NIR Supplier Provide?
The reliable nirs infrared spectroscopy suppliers offers the following after-sale services:
1. Secure product delivery.
2. Thorough inspection prior to installation.
3. Complimentary online guidance for device installation and maintenance.
4. Free training for your users.
5. Regular assessments of your NIR equipment.
Can You Do OEM&ODM For NIRS Spectroscopy?
Yes, Cialan can do OEM#OEM for our users, just send us your requirements for NIRS analysis.
Where To Find Spectroscopie NIR Manufacturers?
Numerous online directories can connect you with spectroscopie NIRS manufacturers.
A simple search for "top-rated NIR food analyzer manufacturers" yields multiple options. However, it's essential to exercise caution when selecting a manufacturer from online search results. Before making a decision, conduct thorough research on the company's background and reputation. Look up reviews on “Google” and reputable review sites to gauge their credibility.
Additionally, It's also crucial to review their portfolio of request that potential manufacturers share examples of their previous work to ensure they meet your standards.
How To Choose a Right NIR-Sspectroscopie System?
Is the sample to be analyzed qualitatively or quantitatively?
Is the sample a solid, powder, granule, liquid or film?
Is the sample to be analyzed in the laboratory or on-line for rapid analysis in the field?
What is the spectral wavelength range required?
Is the detection mode transmission, reflection or diffuse reflection?
What will be your budget?
What Should You Look For In a Perfect NIR Spectroscopy?
Covering the full NIR band with high sensitivity and resolution.fast analysis speed, low energy consumption, cost-effective, easy to carry.
