-
ASTM D5949 Test Method for Pour Point of Petroleum Products (Automatic Pressure
ASTM D5949 Test Method for Pour Point of Petroleum Products (Automatic Pressure Pulsing Method)1. Scope1.1 This test method covers the determination of pour point of petroleum products by an automatic instrument that applies a controlled burst of nitrogen gas onto the specimen surface while the specimen ...
-
ASTM D5452 Standard Test Method for Particulate Contamination in Aviation Fuels
ASTM D5452 Standard Test Method for Particulate Contamination in Aviation Fuels by Laboratory Filtration12. Calculation and Report12.1 Subtract the initial mass of the test membrane filter, W1, from the final mass, W2.12.2 Subtract the initial mass of the control membrane filter, W3, from the final mass, ...
-
ASTM D5452 Standard Test Method for Particulate Contamination in Aviation Fuels
ASTM D5452 Standard Test Method for Particulate Contamination in Aviation Fuels by Laboratory Filtration11. Procedure11.1 Prepare the Filter Funnel and Filter Base Assembly - Using clean forceps, place the two test membrane filters centrally on the membrane filter support ring of the filtration apparatus ...
-
ASTM D5452 Standard Test Method for Particulate Contamination in Aviation Fuels
ASTM D5452 Standard Test Method for Particulate Contamination in Aviation Fuels by Laboratory Filtration8. Sampling8.1 All containers and their closures shall be thoroughly cleaned in accordance with Practice D4306.8.2 To obtain a representative sample from a fuel stream and to avoid external contamination, ...
-
ASTM D5452 Standard Test Method for Particulate Contamination in Aviation Fuels
ASTM D5452 Standard Test Method for Particulate Contamination in Aviation Fuels by Laboratory Filtration6. Apparatus6.1 Analytical Balance, single- or double-pan, the precision standard deviation of which must be 0.07 mg or better.6.2 Oven, of the static type (without fan-assisted air circulation), controlling ...
-
ASTM D5452 Standard Test Method for Particulate Contamination in Aviation Fuels
ASTM D5452 Standard Test Method for Particulate Contamination in Aviation Fuels by Laboratory Filtration4. Summary of Test Method4.1 A known volume of fuel is filtered through a preweighed test membrane filter and the increase in membrane filter mass is weight determined after washing and drying. The ...
-
ASTM D5452 Standard Test Method for Particulate Contamination in Aviation Fuels
ASTM D5452 Standard Test Method for Particulate Contamination in Aviation Fuels by Laboratory Filtration1. Scope1.1 This test method covers the gravimetric determination by filtration of particulate contaminant in a sample of aviation turbine fuel delivered to a laboratory.1.1.1 The sample is filtered ...
-
ASTM D5622 Standard Test Methods for Determination of Total Oxygen in Gasoline a
ASTM D5622 Standard Test Methods for Determination of Total Oxygen in Gasoline and Methanol Fuels by Reductive Pyrolysis10. Calculation and Report10.1 Calculate the mass % oxygen for the QC standard and samples as follows:Mass % Oxygen = (R x K)/(M x r)where:R = blank corrected instrument response,K ...
-
ASTM D5622 Standard Test Methods for Determination of Total Oxygen in Gasoline a
ASTM D5622 Standard Test Methods for Determination of Total Oxygen in Gasoline and Methanol Fuels by Reductive Pyrolysis7. Sampling7.1 Take samples in accordance with the instructions in Practices D4057 or D4177.7.2 Visually inspect the samples, and when there is evidence of nonuniformity, take fresh ...
-
ASTM D5622 Standard Test Methods for Determination of Total Oxygen in Gasoline a
ASTM D5622 Standard Test Methods for Determination of Total Oxygen in Gasoline and Methanol Fuels by Reductive Pyrolysis5. Apparatus5.1 Oxygen Elemental Analyzer - A variety of instrumentation can be satisfactory. However, the instrument must reductively pyrolize the specimen and convert oxygen to carbon ...
