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Standard Test Method for Water in Crude Oils by Coulometric Karl Fischer Titration
Automaticky preložený názov:
Štandardná skúšobná metóda pre vodu v surových olejov coulometricky Titrácia podľa Karl Fischera
NORMA vydaná dňa 1.12.2012
Označenie normy: ASTM D4928-12
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.12.2012
Kód tovaru: NS-29171
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
coulometric, crude oils, homogenization, Karl Fischer, titration, water, water in crude oils, ICS Number Code 75.040 (Crude petroleum)
Significance and Use | ||||||||||||||||
5.1 The accurate analysis of a crude oil sample to determine the water content is important in the refining, purchase, sale, or transfer of crude oils. |
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1. Scope | ||||||||||||||||
1.1 This test method covers the determination of water in the range from 0.02 to 5.00 mass or volume % in crude oils. Mercaptan (RSH) and sulfide (S− or H1.2 This test method can be used to determine water in the 0.005 to 0.02 mass % range, but the effects of the mercaptan and sulfide interference at these levels has not been determined. For the range 0.005 to 0.02 mass %, there is no precision or bias statement. 1.3 This test method is intended for use with standard commercially available coulometric Karl Fischer reagent. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This standard does not
purport to address all of the safety concerns, if any, associated
with its use. It is the responsibility of the user of this standard
to establish appropriate safety and health practices and determine
the applicability of regulatory limitations prior to use.
Standard Practice for Mixing and Handling
of Liquid Samples of Petroleum and Petroleum Products (Includes all
amendments and changes 8/13/2019). Standard Specification for Reagent
Water Standard Practice for Manual Sampling of
Petroleum and Petroleum Products Standard Practice for Automatic Sampling
of Petroleum and Petroleum Products (Includes all amendments and
changes 3/24/2023). MPMS Chapter 8.3 Practice for Mixing and Handling of
Liquid Samples of Petroleum and Petroleum Products (ASTM Practice
) Standard Test Method for Water Using
Volumetric Karl Fischer Titration MPMS Chapter 8.2 Practice for Automatic Sampling of
Petroleum and Petroleum Products (ASTM Practice ) MPMS Chapter 8.1 Practice for Manual Sampling of Petroleum
and Petroleum Products (ASTM Practice ) |
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