Microtrac products are not only of the highest quality, but also meet ASTM, DIN, ISO, and USP standards. We take great care in ensuring that our products meet all necessary requirements, so you can trust that you are getting the very best. Our commitment to quality and compliance is reflected in our dedicated team of quality control experts who oversee every step of the manufacturing process. With our products, you can rest assured that you are getting products that are not only durable and reliable, but also meet the most rigorous industry standards.
| ASTM Standards | Standard Title | Relevant Model |
|---|---|---|
| ASTM B922 | Standard Test Method for Metal Powder Specific Surface Area by Physical Adsorption | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ASTM B923 | Standard Test Method for Metal Powder Skeletal Density by Helium or Nitrogen Pycnometry | BELPYCNO, BELPYCNO L |
| ASTM C1069 | Standard Test Method for Specific Surface Area of Alumina or Quartz by Nitrogen Adsorption | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ASTM C110 | Standard Test Methods for Physical Testing of Quicklime, Hydrated Lime, and Limestone | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X, BELPYCNO, BELPYCNO L |
| ASTM C1240 | Standard Specification for Silica Fume Used in Cementitious Mixtures | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X, BELPYCNO, BELPYCNO L |
| ASTM C1274 | Standard Test Method for Advanced Ceramic Specific Surface Area by Physical Adsorption | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ASTM C604 | Standard Test Method for True Specific Gravity of Refractory Materials by Gas-Comparison Pycnometer | BELPYCNO, BELPYCNO L |
| ASTM D1993 | Standard Test Method for Precipitated Silica-Surface Area by Multipoint BET Nitrogen Adsorption | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ASTM D2638 | Standard Test Method for Real Density of Calcined Petroleum Coke by Helium Pycnometer | BELPYCNO, BELPYCNO L |
| ASTM D3663-20 | Standard Test Method for Surface Area of Catalysts and Catalyst Carriers | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ASTM D3908 | Standard Test Method for Hydrogen Chemisorption on Supported Platinum Catalysts by Volumetric Vacuum Method | BELSORP MAX II (Chemisorption) |
| ASTM D4222 | Standard Test Method for Determination of Nitrogen Adsorption and Desorption Isotherms of Catalysts and Catalyst Carriers by Static Volumetric Measurements | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ASTM D4284 | Standard Test Method for Determining Pore Volume Distribution of Catalysts and Catalyst Carriers by Mercury Intrusion Porosimetry | BELPORE LP, BELPORE MP, BELPORE HP |
| ASTM D4365 | Standard Test Method for Determining Micropore Volume and Zeolite Area of a Catalyst | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ASTM D4404 | Standard Test Method for Determination of Pore Volume and Pore Volume Distribution of Soil and Rock by Mercury Intrusion Porosimetry | BELPORE LP, BELPORE MP, BELPORE HP |
| ASTM D4567 | Standard Test Method for Single-Point Determination of Specific Surface Area of Catalysts and Catalyst Carriers Using Nitrogen Adsorption by Continuous Flow Method | BELSORP MR1 |
| ASTM D4641 | Standard Practice for Calculation of Pore Size Distributions of Catalysts and Catalyst Carriers from Nitrogen Desorption Isotherms | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ASTM D4780 | Standard Test Method for Determination of Low Surface Area of Catalysts and Catalyst Carriers by Multipoint Krypton Adsorption | BELSORP MAX G, BELSORP MAX X |
| ASTM D4824 | Standard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorption | BELCAT II, BELMASS II |
| ASTM D4892 | Standard Test Method for Density of Solid Pitch (Helium Pycnometer Method) | BELPYCNO, BELPYCNO L |
| ASTM D5160 | Standard Guide for Gas-Phase Adsorption Testing of Activated Carbon | BELCAT II, BELMASS II |
| ASTM D5550 | Standard Test Method for Specific Gravity of Soil Solids by Gas Pycnometer | BELPYCNO, BELPYCNO L |
| ASTM D5604-96 | Standard Test Methods for Precipitated Silica – Surface Area by Single Point B.E.T. Nitrogen Adsorption | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ASTM D5965 | Standard Test Methods for Density of Coating Powders | BELPYCNO, BELPYCNO L |
| ASTM D6093 | Standard Test Method for Percent Volume Nonvolatile Matter in Clear or Pigmented Coatings Using a Helium Gas Pycnometer | BELPYCNO, BELPYCNO L |
| ASTM D6226 | Standard Test Method for Open Cell Content of Rigid Cellular Plastics | BELPYCNO, BELPYCNO L |
| ASTM D6556 | Standard Test Method for Carbon Black – Total and External Surface Area by Nitrogen Adsorption | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ASTM D6761 | Standard Test Method for Determination of the Total Pore Volume of Catalysts and Catalyst Carriers | BELPORE LP, BELPORE MP, BELPORE HP, BELPYCNO, BELPYCNO L |
| ASTM D70 | Standard Test Method for Density of Semi-Solid Asphalt Binder (Pycnometer Method) | BELPYCNO, BELPYCNO L |
| ASTM D8325 | Standard Guide for Evaluation of Nuclear Graphite Surface Area and Porosity by Gas Adsorption Measurements | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ASTM E2864 | Standard Test Method for Measurement of Airborne Metal Oxide Nanoparticle Surface Area Concentration in Inhalation Exposure Chambers using Krypton Gas Adsorption | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ASTM WK17123 | New Test Method for Test Method for Carbon Monoxide Chemisorption on Supported Platinum on Alumina Catalysts using Dynamic Flow Method | BELCAT II, BELMASS II |
| ASTM WK61828 | New Test Method for Carbon Monoxide on Supported Platinum on Alumina Catalysts using Manometric Method | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X, BELCAT II, BELMASS II |
| ASTM WK71859 | New Test Method for Carbon Monoxide Chemisorption on Supported Platinum on Alumina Catalysts using Static Vacuum Method | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ASTM WK71860 | New Test Method for Acid Site Characterization on Zeolites Using Dynamic Flow Method | BELCAT II, BELMASS II |
| DIN Standards | Standard Title | Relevant Model |
| DIN 66134 (1998-02) | Determination of the Pore Size Distribution and the Specific Surface Area of Mesoporous Solids by Means of Nitrogen Sorption – Method of Barrett, Joyner and Halenda (BJH) | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| DIN 66135-1 (2001-06) | Particle Measurement Technology – Micropore Analysis Using Gas Adsorption – Part 1: Basics and Measurement Methods | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| DIN 66135-2 (2001-06) | Particle Characterization – Micropore Analysis by Gas Adsorption – Part 2: Evaluation by Isotherms Comparison | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| DIN 66135-3 (2001-06) | Particle Measurement Technology – Micropore Analysis Using Gas Adsorption – Part 3: Determination of the Micropore Volume According to Dubinin and Radushkevich | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| DIN 66135-4 (2004-09) | Particle Size Analysis – Micropore Analysis by Gas Adsorption – Part 4: Determination of Pore Distribution According to Horvath-Kawazoe and Saito-Foley | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ISO Standards | Standard Title | Relevant Model |
| ISO 4652 | Rubber Compounding Ingredients – Carbon Black – Determination of Specific Surface Area by Nitrogen Adsorption Methods – Single-Point Procedures | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X, BELSORP MR1, BELCAT II |
| ISO 8008 | Aluminium Oxide Primarily Used for the Production of Aluminium – Determination of Specific Surface Area by Nitrogen Adsorption | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X, BELSORP MR1, BELCAT II |
| ISO 8130-2 | Coating Powders – Part 2: Determination of Density by Gas Comparison Pycnometer (Referee Method) | BELPYCNO, BELPYCNO L |
| ISO 9277 | Determination of the Specific Surface Area of Solids by Gas Adsorption – BET Method | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ISO 12154 | Determination of Density by Volumetric Displacement – Skeleton Density by Gas Pycnometry | BELPYCNO, BELPYCNO L |
| ISO 12800 | Nuclear Fuel Technology – Guidelines on the Measurement of the Specific Surface Area of Uranium Oxide Powders by the BET Method | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ISO 15901-1 | Evaluation of Pore Size Distribution and Porosity of Solid Materials by Mercury Porosimetry and Gas Adsorption – Part 1: Mercury Porosimetry | BELPORE LP, BELPORE MP, BELPORE HP |
| ISO 15901-2 | Pore Size Distribution and Porosity of Solid Materials by Mercury Porosimetry and Gas Adsorption – Part 2: Analysis of Nanopores by Gas Adsorption | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ISO 15901-3 | Pore Size Distribution and Porosity of Solid Materials by Mercury Porosimetry and Gas Adsorption – Part 3: Analysis of Micropores by Gas Adsorption | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ISO 18753 | Fine Ceramics (Advanced Ceramics, Advanced Technical Ceramics) – Determination of Absolute Density of Ceramic Powders by Pycnometer | BELPYCNO, BELPYCNO L |
| ISO 18757 | Fine Ceramics (Advanced Ceramics, Advanced Technical Ceramics) – Determination of Specific Surface Area of Ceramic Powders by Gas Adsorption Using the BET Method | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| ISO 18852 | Rubber Compounding Ingredients – Determination of Multipoint Nitrogen Surface Area (NSA) And Statistical Thickness Surface Area (STSA) | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| USP Standards | Standard Title | Relevant Model |
| USP 267 | Porosimetry by Mercury Intrusion | BELPORE LP, BELPORE MP, BELPORE HP |
| USP 268 | Porosity by Nitrogen Adsorption-Desorption | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X |
| USP 699 | Gas Pycnometric Density of Solids | BELPYCNO, BELPYCNO L |
| USP 846 | Specific Surface Area | BELSORP MINI X, BELSORP MAX G, BELSORP MAX X, BELSORP MR1, BELCAT II |
| ASTM Standards | ||
|---|---|---|
| ASTM B822-20 | Standard Test Method for Particle Size Distribution of Metal Powders and Related Compounds by Light Scattering | SYNC |
| ASTM C1070-01(2020) | Standard Test Method for Determining Particle Size Distribution of Alumina or Quartz by Laser Light Scattering | SYNC |
| ASTM D4456-17 | Standard Test Methods for Physical and Chemical Properties of Powdered Ion Exchange Resins | SYNC |
| ASTM D4464-15(2020) | Standard Test Method for Particle Size Distribution of Catalytic Materials by Laser Light Scattering | SYNC |
| ASTM D5861-07(2017) | Standard Guide for Significance of Particle Size Measurements of Coating Powders | SYNC |
| ASTM D7928-21e1 | Standard Test Method for Particle-Size Distribution (Gradation) of Fine-Grained Soils Using the Sedimentation (Hydrometer) Analysis | SYNC |
| ASTM D8090-17 | Standard Test Method for Particle Size Distribution and Shape Analysis of Paints and Pigments Using Dynamic Imaging Methods | SYNC |
| ASTM E1617-09(2019) | Standard Practice for Reporting Particle Size Characterization Data | SYNC |
| ASTM F3571-22 | Standard Guide for Additive Manufacturing – Feedstock – Particle Shape Image Analysis by Optical Photography to Identify and Quantify the Agglomerates/Satellites in Metal Powder Feedstock | SYNC |
| ASTM UOP856-07 | Particle Size Distribution of Powders by Laser Light Scattering | SYNC |
| ISO Standards | ||
| ISO 11277:2020 | Soil Quality – Determination of Particle Size Distribution in Mineral Soil Material – Method by Sieving and Sedimentation | SYNC |
| ISO 12103-1:2016 | Road Vehicles – Test Contaminants for Filter Evaluation – Part 1: Arizona Test Dust | SYNC |
| ISO 13320:2020 | Particle Size Analysis – Laser Diffraction Methods | SYNC |
| ISO 13322-2:2021 | Particle Size Analysis – Image Analysis Methods – Part 2: Dynamic Image Analysis Methods | SYNC |
| ISO 17190-11:2001 | Urine-Absorbing Aids for Incontinence – Test Methods for Characterizing Polymer-Based Absorbent Materials – Part 11: Determination of Content of Respirable Particles | SYNC |
| ISO 24235:2007 | Fine Ceramics (Advanced Ceramics, Advanced Technical Ceramics) – Determination of Particle Size Distribution of Ceramic Powders by Laser Diffraction Method | SYNC |
| ISO 4365:2005 | Liquid Flow in Open Channels – Sediment in Streams and Canals – Determination of Concentration, Particle Size Distribution and Relative Density | SYNC |
| ISO 8130-13:2019 | Coating Powders – Part 13: Particle Size Analysis by Laser Diffraction | SYNC |
| ISO/ASTM 52907:2019 | Additive Manufacturing – Feedstock Materials – Methods to Characterize Metal Powders | SYNC |
| ISO/DIS 24218-1:2022(E) | Fine Bubble Technology – Characterization of Fine Bubbles – Part 1: Evaluation of Size and Concentration Indices by Laser Diffraction Method | SYNC |
| USP Standards | ||
| USP 1430.2 | Analytical Methodologies Based on Scattering Phenomena – Light Diffraction Measurements of Particle Size | SYNC |
| USP 1787 | Measurement of Subvisible Particulate Matter in Therapeutic Protein Injections | SYNC |
| USP 429 | Laser Diffraction Measurement of Particle Size | SYNC |
| USP 776 | Optical Microscopy (Particle Size Characterization) | SYNC |