Analytical Testing

Laser Light Scattering - Mie and Fraunhofer Theories:

  • PSA-01 (Formerly 520-00):  Aqueous – based dispersion (ISO 13320)
  • PSA-02 (Formerly 520-01):  Non-aqueous – based dispersion (ISO 13320)
  • PSA-03 (Formerly 520-50):  Dry dispersion (ISO 13320) using Malvern Mastersizer
  • PSA-04 (Formerly 520-51):  Liquid dispersion (ISO 13320) using Malvern Mastersizer

X- Ray Sedimentation - Stokes’ Law:

  • PSA-05 (Formerly 510-00):  Aqueous and non-aqueous based dispersion (ISO 13317-3)
    (Requires density 133 – 00 prior to analysis)

Electrical Sensing Zone - “Coulter principle”:

  • PSA-06 (Formerly 538-00):  Aqueous and non-aqueous based dispersion (ISO 13319)
  • PSA-07 (Formerly 538-02)Particle Size Distribution plus particle concentration analysis (ISO 13319)
  • PSA-15 (Formerly 538-50)Emission stack testing, particle size analysis of fly ash particles collected on filters (ISO 13319)

Particle Shape Analysis:

  • PSA-13 (Formerly 005-80)Particle shape using Wet dispersion and Dynamic Image Analysis (ISO 13322-2)
  • SEM-04 (Formerly 005-81):  Particle shape using an Automated Microscopy technique

Nano Particle Size:

  • Physi-23 (Formerly 005-70):  Average particle size calculated from BET surface area
  • PSA-10 (Formerly 005-71):  Dynamic Light Scattering / Photon correlation spectroscopy (ISO 22412)

Other Particle Size Techniques:

  • PSA-11 (Formerly 005-73):  Particulate count and concentration using the Light Obscuration technique (USP method <788> and <789>)
  • PSA-12 (Formerly 005-74): Sub-Sieve AutoSizer ASTM B330-07
    (Requires density prior to analysis) ISO – 10070  Air permeability Diameter
  • PSA-14 (Formerly 010-16): Dry or Wet sieving available / Ro-Tap apparatus

Zeta Potential:

  • PSA-16 (Formerly 120-00):  Zeta potential (ISO 13099-2)
  • PSA-17 (Formerly 120-01):  ISO-electric point determination and pH titration

Mayer - Stowe:

  • PSA-18 (Formerly 942-09):  Particle size calculation from Mercury Intrusion Analysis
  • Physi-01 (Formerly 005-01):  Multipoint surface area using Nitrogen gas (ISO 9277)
  • Physi-02 (Formerly 005-02):  Multipoint surface area using Krypton gas (ISO 9277)
  • Physi-04 (Formerly 005-10):  Multipoint surface area and STSA using Nitrogen gas (ASTM D6556)
  • Physi-101 (Formerly 005-00):  Single point surface area using Nitrogen gas (ISO 9277)
  • Physi-102 (Formerly 005-16):  Single point surface area using Krypton gas (ISO 9277)

Pore Size by Gas Adsorption:

Pore size samples may include the following reports as appropriate: BET or Langmuir surface area, BJH mesopore analysis, DFT pore size calculations, single-point total pore volume, and t-Plot micropore volume
  • Physi-10 (Formerly 005-50):  40-point nitrogen adsorption isotherm (20 Å to 3000 Å) ISO 15901-2.
  • Physi-12 (Formerly 005-05): 40-pt Nitrogen adsorption and 40-pt desorption isotherm (20 Å to 3000 Å)

Micropore Pore Size Distribution:

Reports may include H-K, Dubinin, and/or DFT methods for micropore analysis.
  • Physi-13 (Formerly 201-03):  High-resolution micropore analysis plus mesopore isotherm (4 Å to 3000 Å) ISO 15901-3

Pore Size by Mercury Intrusion:

Report will include calculations of bulk density, skeletal density, porosity, average pore diameters, median pore diameters, and total intrusion volume. Additional summary reports such as tortuosity, factal dimension, permeability, and  compressibility are available upon request for an additional fee.
  • MIP-01 (Formerly 942-03):  Mercury intrusion analysis (pore size range 360 to 0.003 µm) ISO 15901-1
  • MIP-02 (Formerly 942-04):  Mercury intrusion and extrusion analysis (pore size range 360 to 0.003 µm) ISO 15901-1
  • MIP-03 (Formerly 942-10):  High-resolution macropore analysis (pore size range 900 to 4 µm)
    ISO 15901-1
  • MIP-04 (Formerly 942-11):  High-resolution macropore plus a complete intrusion and extrusion analysis
  • MIP-05Reverberi method for pore throat and pore cavity
  • MIP-10 (Formerly 942-05):  Additional mercury porosimetry calculations
  • Density-01 (Formerly 133-00):  Skeletal density (Helium or Nitrogen pycnometry) ISO 12154
  • Density-02 (Formerly 133-01):  Skeletal density at specific temperature
  • Density-03 (Formerly 133-02):  Open cell content of rigid cellular plastic, foam density (ASTM method D6226-05)
  • Density-04 (Formerly 136-00):  Envelope density of solid, non-powder samples using the GeoPyc 1360
  • Density-05 (Formerly 136-01):  T.A.P. (Transverse Axial Pressure) density using the GeoPyc 1360
  • Density-06 (Formerly 136-02):  Specific pore volume and percent porosity calculations  (Includes true density analysis and envelope density analysis)
  • Density-07 (Formerly 942-07):  Mercury bulk density
  • Density-08 (Formerly 010-70):  Bulk and Tap Density
  • Density-09 (Formerly 010-077):  Bulk density only

Special Vapor Sorption Services

  • Physi-20 (Formerly 005-60):  Special COisotherms at 0 °C
  • Physi-21 (Formerly 005-60):  Adsorption Isotherms at user defined conditions (specialty gases)
  • Physi-22 (Formerly 005-61):  High-Pressure Isotherms using Hydrogen, Nitrogen, Oxygen, & Methane other gases
  • Vapor-01 (Formerly 005-63)Vapor isotherms – Dynamic Vapor Sorption (DVS) gravimetric analysis
  • Vapor-02 (Formerly 005-64):  Vapor isotherms using Volumetric technique (ASAP 2020 or 3Flex)
  • Vapor-03 (Formerly 005-65):  Inverse Gas Chromatography
    (Surface Energy Measurement)
  • Vapor-04 (Formerly 005-75):  Surface Energy heterogeneity profile
    (Requires BET 005-01)

Chemisorption Services:

  • Chemi-01 (Formerly 201-10):  Volumetric Chemisorption analysis (specify analytical method)
  • Chemi-02 (Formerly 291-23):  Dynamic or pulse Chemisorption analysis (specify analytical method)
  • Chemi-03 (Formerly 291-03):  Pulse Chemisorption using liquid vapors (specify analytical method)

Other Chemisorption Experiments:

  • Chemi-21 (Formerly 201-50):  Isosteric Heat of Adsorption
  • Chemi-22 (Formerly 291-20):  Heat of Desorption, First order Kinetics

Temperature-Programmed Studies:

  • Chemi-04 (Formerly 291-01):  Temperature-Programmed Reduction (TPR)
  • Chemi-05 (Formerly 291-10):  Temperature-Programmed Desorption (TPD)
  • Chemi-06 (Formerly 291-02):  Temperature-Programmed Oxidation (TPO)
  • Chemi-07 (Formerly 291-06):  Mass Spectrometry analysis (must be combined with Temperature Program study or TGA)
  • SEM-01 (Formerly 010-40):  SEM imaging
  • SEM-02 (Formerly 010-41):  Elemental Analysis by Energy Dispersion Spectroscopy
  • SEM-03 (Formerly 010-50):  Particle size using automated SEM techniques
  • SEM-05 (Formerly 010-23):  Images from Optical Microscope

Thermal Analysis

  • Thermal-01 (Formerly 005-66)TGA – Standard Run Conditions Room Temp – 900 ° C
  • Thermal-02 (Formerly 005-67)DSC – Standard Run Room Temp – 600 ° C
  • Thermal-03 (Formerly 005-68)mDCS – Modulated DCS – High Resolution
  • Thermal-04 (Formerly 005-69)Combination TGA/DCSn

Scientific Services

  • PTA-01 (Formerly 010-00):  Non-standard laboratory analysis
  • PTA-02 (Formerly 010-10):  Method development services
  • PTA-03 (Formerly 010-11):  Method validation services
  • PTA-04: Method Verification or Method Transfer
  • PTA-05 (Formerly 010-06):  Consulting services and detailed results interpretation

Other Services

  • PTA-06 (Formerly 010-80):  Special sample Preparation or storage (glove box or freezer)
  • PTA-10 (Formerly 005-87):  Expert Testimony
  • PTA-13 (Formerly 010-01):  Certificate of Analysis
  • PTA-40 (Formerly 005-85):  Dynamic Void Volume – DVVA (ASTM D7854-16)
  • PTA-41 (Formerly 005-86):  Magnetic content using buck analyzer
  • PTA-42 (Formerly 010-15):  Viscosity of Newtonian liquids using cone/plate rheometer
  • 010-18:  pH
  • 010-22:  Specific gravity of slurry
  • 010-24:  Total dissolved solids
  • 010-25:  Total suspended solids
  • 010-26:  Specific gravity at user specified temperatures
  • 010-50:  010 – 50 Contamination or Particle Identification (outsourced)
  • 010-19:  Percent moisture (weight loss upon drying)
  • 010-50:  Volume calibration of AutoPore mercury penetrometers