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ISO 3696 Water for analytical laboratory use - Specification and test methods
ISO 3696 Water for analytical laboratory use - Specification and test methods1 Scope and field of applicationThis International Standard specifies the requirements and corresponding test methods for three grades of water for laboratory use for the analysis of inorganic chemicals.It is not applicable ...
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ASTM D7899 Standard Test Method for Measuring the Merit of Dispersancy of In-Ser
ASTM D7899 Standard Test Method for Measuring the Merit of Dispersancy of In-Service Engine Oils with Blotter Spot Method11. Report11.1 Record the results from the apparatus, as the merit of dispersancy of the sample obtained by the procedure, and reference this test method.11.2 The measurement of the ...
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ASTM D7899 Standard Test Method for Measuring the Merit of Dispersancy of In-Ser
ASTM D7899 Standard Test Method for Measuring the Merit of Dispersancy of In-Service Engine Oils with Blotter Spot Method10. Procedure10.1 Position a new sheet of filter paper in the filter paper holder and place it on the bench.10.2 Shake the sample vigorously until the sample is adequately homogenized ...
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ASTM D7899 Standard Test Method for Measuring the Merit of Dispersancy of In-Ser
ASTM D7899 Standard Test Method for Measuring the Merit of Dispersancy of In-Service Engine Oils with Blotter Spot Method7. Sampling and Preparation of Samples7.1 It is recommended that in-service oil or lubricant samples to be analyzed by this test method be sampled using procedures outlined in Practice ...
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ASTM D7899 Standard Test Method for Measuring the Merit of Dispersancy of In-Ser
ASTM D7899 Standard Test Method for Measuring the Merit of Dispersancy of In-Service Engine Oils with Blotter Spot Method6. Apparatus6.1 Positive Displacement Pipette, Class A to deliver 20 µl.6.2 Filter Paper, having the following characteristics:Paper density: 84Paper thickness: 0.16 mmType: QualitativeParticle ...
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ASTM D7899 Standard Test Method for Measuring the Merit of Dispersancy of In-Ser
ASTM D7899 Standard Test Method for Measuring the Merit of Dispersancy of In-Service Engine Oils with Blotter Spot Method4. Summary of Test Method4.1 A drop of oil is deposited on a piece of specific filter paper held level and not resting on a surface. The filter paper is placed in an oven set at 80 ...
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ASTM D7899 Standard Test Method for Measuring the Merit of Dispersancy of In-Ser
ASTM D7899 Standard Test Method for Measuring the Merit of Dispersancy of In-Service Engine Oils with Blotter Spot Method1. Scope1.1 This test method covers a procedure for determination of the merit of dispersancy of diesel crankcase engine oils as well as other types of engine oils where pollutants ...
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ISO 12937 Petroleum products - Determination of water - Coulometric Karl Fischer
ISO 12937 Petroleum products - Determination of water - Coulometric Karl Fischer titration method11 Expression of resultsReport the mass fraction of water in the sample to the nearest 0.001 % (m/m) 12 Precision12.1 Repeatability, rThe difference between two test results obtained by the same operator ...
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ISO 12937 Petroleum products - Determination of water - Coulometric Karl Fischer
ISO 12937 Petroleum products - Determination of water - Coulometric Karl Fischer titration method9 ProcedureImmediately after sample preparation (see 6.2), use a clean, dry syringe (5.3) to withdraw at least three portions of the laboratory sample and discard to waste. Immediately withdraw a 1 ml to ...
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ISO 12937 Petroleum products - Determination of water - Coulometric Karl Fischer
ISO 12937 Petroleum products - Determination of water - Coulometric Karl Fischer titration method6 Sampling and sample preparation (see annex A)6.1 SamplingSamples shall be drawn in accordance with ISO 3170, ISO 3171, or an equivalent national standard.If sampling is carried out manually, use a clear ...
