PTL has years of experience and expertise in performing a variety of compendial methods and technical standards published by international standards organizations. These standards uphold the quality standards required for each organization. These lists are not exhaustive. Contact PTL to discuss the specifics of a test method and your specific testing needs.
Please contact us to inquire about standards or methods not listed.
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Number
|
Type
|
Title
|
|---|---|---|
|
|
|
Particle Size Distribution Analyses |
|
B214-16
|
ASTM
|
Standard Test Method for Sieve Analysis of Metal Powders
|
|
B330-20
|
ASTM
|
Standard Test Methods for Estimating Average Particle Size of Metal Powders and Related Compounds Using Air Permeability
|
|
B822-20
|
ASTM
|
Standard Test Method for Particle Size Distribution of Metal Powders and Related Compounds by Light Scattering
|
|
C110-20
|
ASTM
|
Standard Test Methods for Physical Testing of Quicklime, Hydrated Lime, and Limestone
|
|
C117-17
|
ASTM
|
Standard Test Method for Materials Finer than 75µm (No. 200) Sieve in Mineral Aggregates by Washing
|
|
C136/C136M-19
|
ASTM
|
Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates
|
|
C690-09(2019)
|
ASTM
|
Standard Test Method for Particle Size Distribution of Alumina or Quartz Powders by Electrical Sensing Zone Technique
|
|
C1070-01(2020)
|
ASTM
|
Standard Test Method for Determining Particle Size Distribution of Alumina or Quartz by Laser Light Scattering
|
|
D197-19
|
ASTM
|
Standard Test Method for Sampling and Fineness Test of Pulverized Coal
|
|
D4438-13(2018)
|
ASTM
|
Standard Test Method for Particle Size Distribution of Catalysts and Catalyst Carriers by Electronic Counting
|
|
D4464-15 (2020)
|
ASTM
|
Standard Test Method for Particle Size Distribution of Catalytic Materials by Laser Light Scattering
|
|
D5861-07(2017)
|
ASTM
|
Standard Guide for Significance of Particle Size Measurements of Coating Powders
|
|
E2490-09(2021)
|
ASTM
|
Standard Guide for Particle Size Distribution of Nanomaterials in Suspension by Photon Correlation Spectroscopy (PCS)
|
|
E2834-12(2018)
|
ASTM
|
Standard Guide for Particle Size Distribution of Nanomaterial in Suspension by Nanoparticle Tracking Analysis (NTA)
|
|
F2149-16
|
ASTM
|
Standard Test Method for Automated Analyses of Cells — the Electrical Sensing Zone Method of Enumerating and Sizing Single Cell Suspensions
|
|
|
|
Adsorption & Porosimetry |
|
B922-20
|
ASTM
|
Standard Test Method for Metal Powder Specific Surface Area by Physical Adsorption
|
|
C1069-09(2014)
|
ASTM
|
Standard Test Method for Specific Surface Area of Alumina or Quartz by Nitrogen Adsorption
|
|
C1240-20
|
ASTM
|
Standard Specification for Silica Fume Used in Cementitious Mixtures
|
|
C1274-12 (2020)
|
ASTM
|
Standard Test Method for Advanced Ceramic Specific Surface Area by Physical Adsorption
|
|
D1993-18
|
ASTM
|
Standard Test Method for Precipitated Silica-Surface Area by Multipoint BET Nitrogen Adsorption
|
|
D3663-20
|
ASTM
|
Standard Test Method for Surface Area of Catalysts and Catalyst Carriers
|
|
D3908-20
|
ASTM
|
Standard Test Method for Hydrogen Chemisorption on Supported Platinum Catalysts by Volumetric Vacuum Method
|
|
D4222-20
|
ASTM
|
Standard Test Method for Determination of Nitrogen Adsorption and Desorption Isotherms of Catalysts and Catalyst Carriers By Static Volumetric Measurements
|
|
D4284-12(2017)
|
ASTM
|
Standard Test Method for Determining Pore Volume Distribution of Catalysts and Catalyst Carriers by Mercury Intrusion Porosimetry
|
|
D6767
|
ASTM
|
Standard Test Method for Pore Size Characteristics of Geotextiles by Capilary Flow Test
|
|
F2952
|
ASTM
|
Standard Guide for Determining the Mean Darcy Permeability Coefficient for a Porous Tissue Scaffold
|
|
D4365-19
|
ASTM
|
Standard Test Method for Determining Micropore Volume and Zeolite Area of a Catalyst
|
|
D4404-18
|
ASTM
|
Standard Test Method for Determination of Pore Volume and Pore Volume Distribution of Soil and Rock by Mercury Intrusion Porosimetry
|
|
D4567-19
|
ASTM
|
Standard Test Method for Single-Point Determination of Specific Surface Area of Catalysts and Catalyst Carriers Using Nitrogen Adsorption by Continuous Flow Method
|
|
D4641-17
|
ASTM
|
Standard Practice for Calculation of Pore Size Distributions of Catalysts and Catalyst Carriers from Nitrogen Desorption Isotherms
|
|
D4780-12(2017)
|
ASTM
|
Standard Test Method for Determination of Low Surface Area of Catalysts and Catalyst Carriers by Multipoint Krypton Adsorption
|
|
D5604-96(2017)
|
ASTM
|
Standard Test Methods for Precipitated Silica — Surface Area by Single Point B.E.T. Nitrogen Adsorption
|
|
D6556-19
|
ASTM
|
Standard Test Method for Carbon Black — Total and External Surface Area by Nitrogen Adsorption
|
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D6761-17
|
ASTM
|
Standard Test Method for Determination of the Total Pore Volume of Catalysts and Catalyst Carriers
|
|
|
|
Density |
|
B329-20
|
ASTM
|
Standard Test Method for Apparent Density of Metal Powders and Compounds Using the Scott Volumeter.
|
|
B527-20
|
ASTM
|
Standard Test Method for Tap Density of Metal Powders and Compounds
|
|
B923-21
|
ASTM
|
Standard Test Method for Metal Powder Skeletal Density by Helium or Nitrogen Pycnometry
|
|
C110-20
|
ASTM
|
Standard Test Methods for Physical Testing of Quicklime, Hydrated Lime, and Limestone
|
|
C357-07(2015)
|
ASTM
|
Standard Test Method for Bulk Density of Granular Refractory Materials
|
|
C604-18
|
ASTM
|
Standard Test Method for True Specific Gravity of Refractory Materials by Gas-Comparison Pycnometer
|
|
D2638-21
|
ASTM
|
Standard Test Method for Real Density of Calcined Petroleum Coke by Helium Pycnometer
|
|
D4164-13(2018)
|
ASTM
|
Standard Test Method for Mechanically Tapped Packing Density of Formed Catalyst and Catalyst Carriers
|
|
D4781-03(2018)
|
ASTM
|
Standard Test Method for Mechanically Tapped Packing Density of Fine Catalyst Particles and Catalyst Carrier Particles
|
|
D5550-14
|
ASTM
|
Standard Test Method for Specific Gravity of Soil Solids by Gas Pycnometer
|
|
D5965-21
|
ASTM
|
Standard Test Methods for Density of Coating Powders
|
|
D7481-18
|
ASTM
|
Standard Test Methods for Determining Loose and Tapped Bulk Densities of Powders Using a Graduated Cylinder
|
|
|
|
Physical Measurements |
|
C204-18
|
ASTM
|
Standard Test Methods for Fineness of Hydraulic Cement by Air-Permeability Apparatus
|
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C311/C311M-18
|
ASTM
|
Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use in Portland-Cement Concrete
|
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D1293-18
|
ASTM
|
Standard Test Methods for pH of Water
|
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D2196-20
|
ASTM
|
Standard Test Methods for Rheological Properties of Non-Newtonian Materials by Rotational Viscometer
|
|
D2974-20
|
ASTM
|
Standard Test Methods for Moisture, Ash, and Organic Matter of Peat and Other Organic Soils
|
|
D5907-18
|
ASTM
|
Standard Test Methods for Filterable Matter (Total Dissolved Solids) and Nonfilterable Matter (Total Suspended Solids) in Water
|
|
D7891–15
|
ASTM
|
Standard Test Method for Shear Testing of Powders Using the Freeman Technology FT4 Powder Rheometer Shear Cell
|
|
E1868-10(2021)
|
ASTM
|
Standard Test Methods for Loss-On-Drying by Thermogravimetry
|
|
E2402-19
|
ASTM
|
Standard Test Method for Mass Loss, Residue, and Temperature Measurement Validation of Thermogravimetric Analyzers
|
|
E2865-12(2018)
|
ASTM
|
Standard Guide for Measurement of Electrophoretic Mobility and Zeta Potential of Nanosized Biological Materials
|
|
Number
|
Type
|
Title
|
|---|---|---|
|
|
|
Particle Size Distribution Analyses |
|
787-7
|
ISO
|
General Methods of Test for Pigments and Extenders — Part 7: Determination of Residue on Sieve — Water Method — Manual Procedure
|
|
4497
|
ISO
|
Metallic Powders — Determination of Particle Size by Dry Sieving
|
|
4610
|
ISO
|
Plastics — Vinyl Chloride Homopolymer and Copolymer Resins — Sieve Analysis Using Air-Jet Sieve Apparatus
|
|
6274
|
ISO
|
Concrete — Sieve Analysis of Aggregates
|
|
8130-1
|
ISO
|
Coating Powders — Part 1: Determination of Particle Size Distribution by Sieving
|
|
8130-13
|
ISO
|
Coating Powders — Part 13: Particle Size Analysis by Laser Diffraction
|
|
8397
|
ISO
|
Solid Fertilizers and Soil Conditioners — Test Sieving
|
|
13319
|
ISO
|
Determination of Particle Size Distributions — Electrical Sensing Zone Method
|
|
13320
|
ISO
|
Particle Size Analysis — Laser Diffraction Methods
|
|
13322-1
|
ISO
|
Particle Size Analysis — Image Analysis Methods — Part 1: Static Image Analysis Methods
|
|
20480-1
|
ISO
|
Fine Bubble Technology — General Principles for Usage and Measurement of Fine Bubbles (Ultra Fine Bubbles Only)
|
|
22412
|
ISO
|
Particle Size Analysis — Dynamic Light Scattering (DLS)
|
|
22498
|
ISO
|
Plastics — Vinyl Chloride Homopolymer and Copolymer Resins — Particle Size Determination by Mechanical Sieving
|
|
24235
|
ISO
|
Fine Ceramics (Advanced Ceramics, Advanced Technical Ceramics) — Determination of Particle Size Distribution of Ceramic Powders by Laser Diffraction Method
|
|
21501-2
|
ISO
|
Determination of particle size distribution – Single particle light interaction methods – Part 2: Light scattering liquid-borne particle
counter) |
|
21501-3
|
ISO
|
Determination of particle size distribution – Single Particle light interaction methods – Part 3: Light extinction liquid-borne particle
counter |
|
|
|
Surface Area & Pore Size Analysis |
|
8008
|
ISO
|
Aluminum Oxide Primarily Used for the Production of Aluminum — Determination of Specific Surface Area by Nitrogen Adsorption
|
|
9277
|
ISO
|
Determination of the Specific Surface Area of Solids by Gas Adsorption — BET Method
|
|
15901-1
|
ISO
|
Evaluation of Pore Size Distribution and Porosity of Solid Materials by Mercury Porosimetry and Gas Adsorption — Part 1: Mercury Porosimetry
|
|
15901-2
|
ISO
|
Pore Size Distribution and Porosity of Solid Materials by Mercury Porosimetry and Gas Adsorption — Part 2: Analysis of Mesopores and Macropores by Gas Adsorption
|
|
15901-3
|
ISO
|
Pore Size Distribution and Porosity of Solid Materials by Mercury Porosimetry and Gas Adsorption — Part 3: Analysis of Micropores by Gas Adsorption
|
|
18757
|
ISO
|
Fine Ceramics (Advanced Ceramics, Advanced Technical Ceramics) — Determination of Specific Surface Area of Ceramic Powders by Gas Adsorption Using the BET Method
|
|
|
|
Density |
|
2811-1
|
ISO
|
Paints and Varnishes – Determination of Density – Part 1: Pycnometer Method
|
|
8130-2
|
ISO
|
Coating Powders — Part 2: Determination of Density by Gas Comparison Pyknometer (Referee Method)
|
|
3953
|
ISO
|
Metallic Powders — Determination of Tap Density
|
|
8460
|
ISO
|
Instant Coffee — Determination of Free-Flow and Compacted Bulk Densities
|
|
18852
|
ISO
|
Rubber Compounding Ingredients — Determination of Multipoint Nitrogen Surface Area (NSA) and Statistical Thickness Surface Area (STSA)
|
|
8967
|
ISO
|
Dried Milk and Dried Milk Products — Determination of Bulk Density
|
|
12154
|
ISO
|
Determination of Density by Volumetric Displacement — Skeleton Density by Gas Pycnometry
|
|
787-2
|
ISO
|
General Methods of Test for Pigments and Extenders — Part 2: Determination of Matter Volatile at 105 Degrees C
|
|
|
|
Physical Measurements |
|
11357-1
|
ISO
|
Plastics — Differential Scanning Calorimetry (DSC) — Part 1: General Principles
|
|
11357-2
|
ISO
|
Plastics — Differential Scanning Calorimetry (DSC) — Part 2: Determination of Glass Transition Temperature and Glass Transition Step Height
|
|
11357-3
|
ISO
|
Plastics — Differential Scanning Calorimetry (DSC) — Part 3: Determination of Temperature and Enthalpy of Melting and Crystallization
|
|
11357-7
|
ISO
|
Plastics — Differential Scanning Calorimetry (DSC) — Part 7: Determination of Crystallization Kinetics
|
|
11358-1
|
ISO
|
Plastics — Thermogravimetry (TG) of Polymers — Part 1: General Principles
|
|
13099-1
|
ISO
|
Colloidal Systems – Methods for Zeta-Potential Determination — Part 1: Electroacoustic and Electrokinetic Phenomena
|
|
18373-1
|
ISO
|
Rigid PVC Pipes — Differential Scanning Calorimetry (DSC) Method — Part 1: Measurement of the Processing Temperature
|
|
22768
|
ISO
|
Raw Rubber – Determination of the Glass Transition Temperature by Differential Scanning Calorimetry (DSC)
|
|
28343
|
ISO
|
Rubber Compounding Ingredients — Process Oils — Determination of Glass Transition Temperature by DSC
|
|
124
|
ISO
|
Total Solids — Determination of Total Solids Content
|
|
Number
|
Type
|
Title
|
|---|---|---|
|
|
Standard Methods for Examination of Water and Wastewater |
|
|
2540B
|
SM
|
Total Solids Dried at 103-105C
|
|
2540C
|
SM
|
Total Dissolved Solids Dried at 180C
|
|
2540D
|
SM
|
Total Suspended Solids Dried at 103-105C
|
|
2540E
|
SM
|
Fixed and Volatile Solids Ignited at 550C
|
|
2540F (Gravimetric Method)
|
SM
|
Settleable Solids
|
|
2540G
|
SM
|
Total, Fixed and Volatile Solids in Solid and Semisolid Samples
|
|
2560B
|
SM
|
Electric Sensing Zone Method
|
|
2560C
|
SM
|
Light-Blockage Methods
|
|
2560D
|
SM
|
Light-Scattering Method
|
Some related wastewater Particle testing and water particle testing testing techniques include Single Particle Optical Sensing (SPOS), Single Particle Light Obscuration, and Nanoparticle Tracking Analysis.
|
Number
|
Type
|
Title
|
|---|---|---|
|
|
|
Particle Size Distribution Analyses |
|
<429>
|
USP
|
Light Diffraction Measurement of Particle Size
|
|
<432>
|
USP
|
Determination of Zeta Potential by Electrophoretic Light Scattering
|
|
<776>
|
USP
|
Optical Microscopy (Particle Size Characterization)
|
|
<786>
|
USP
|
Particle Size Distribution Estimation by Analytical Sieving
|
|
<787>
|
USP
|
Subvisible Particulate Matter in Therapeutic Protein Injections
|
|
<788>
|
USP
|
Particulate Matter in Injections
|
|
<789>
|
USP
|
Particulate Matter in Ophthalmic Solutions
|
|
<811>
|
USP
|
Powder Fineness
|
|
<1241>
|
USP
|
Water-Solid Interactions in Pharmaceutical Systems – Determination of Sorption Desorption Isotherms
|
|
|
|
Surface Area & Pore Size Analysis |
|
<267>
|
USP
|
Porosimetry by Mercury Intrusion
|
|
<268>
|
USP
|
Porosity By Nitrogen Adsorption-Desorption
|
|
|
|
Density |
|
<616>
|
USP
|
Bulk Density (Method I) and Tapped Density (Method II) of Powders
|
|
<699>
|
USP
|
Density of Solids
|
|
|
|
Microscopy Services |
|
<695>
|
USP
|
Crystallinity
|
|
<729>
|
USP
|
Globule Size Distribution in Lipid Injectable Emulsions
|
|
<776>
|
USP
|
Optical Microscopy (Crystallinity Characterization)
|
|
<1181>
|
USP
|
Scanning Electron Microscopy (SEM Only)
|
|
|
|
Physical Measurements |
|
<281>
|
USP
|
Residue on Ignition
|
|
<661>
|
USP
|
Plastic Packaging Systems and Their Materials of Construction (Differential Scanning Calorimetry Only)
|
|
<731>
|
USP
|
Loss on Drying
|
|
<733>
|
USP
|
Loss on Ignition
|
|
<791>
|
USP
|
pH
|
|
<831>
|
USP
|
Refractive Index
|
|
<841>
|
USP
|
Specific Gravity (Method I)
|
|
<846>
|
USP
|
Specific Surface Area
|
|
<891>
|
USP
|
Thermal Analysis
|
|
<912>
|
USP
|
Viscosity-Rotational Methods
|
|
<1174>
|
USP
|
Powder Flow (Angle of Repose Only)
|
