ASTM D7843-21 PDF

Scope: 1.1?This test method extracts insoluble contaminants from a sample of in-service turbine oil onto a patch and the color of the membrane patch is analyzed by a spectrophotometer. The results are reported as a ��E value, within the CIELAB scale. 1.2?This test method is not approp

ASTM D7843-21 Referenced Document

ASTM D4057 Standard Practice for Manual Sampling of Petroleum and Petroleum Products
ASTM D4177 Standard Practice for Automatic Sampling of Petroleum and Petroleum Products
ASTM D4378 Standard Practice for In-Service Monitoring of Mineral Turbine Oils for Steam and Gas Turbines
ASTM D4898 Standard Test Method for Insoluble Contamination of Hydraulic Fluids by Gravimetric Analysis
ASTM D5452 Standard Test Method for Particulate Contamination in Aviation Fuels by Laboratory Filtration*， 2023-05-01 Update
ASTM D7317 Standard Test Method for Coagulated Pentane Insolubles in Used Lubricating Oils by Paper Filtration (LMOA Method)
ASTM E177 Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods
ASTM E284 Standard Terminology of Appearance
ASTM E308 Standard Practice for Computing the Colors of Objects by Using the CIE System
ASTM E691 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

2021 ASTM D7843-21 Standard Test Method for Measurement of Lubricant Generated Insoluble Color Bodies in In-Service Turbine Oils using Membrane Patch Colorimetry
2018 ASTM D7843-18 Standard Test Method for Measurement of Lubricant Generated Insoluble Color Bodies in In-Service Turbine Oils using Membrane Patch Colorimetry
2016 ASTM D7843-16 Standard Test Method for Measurement of Lubricant Generated Insoluble Color Bodies in In-Service Turbine Oils using Membrane Patch Colorimetry
2012 ASTM D7843-12 Standard Test Method for Measurement of Lubricant Generated Insoluble Color Bodies in In-Service Turbine Oils using Membrane Patch Colorimetry