Aktívna norma | Vydaná: 01.09.2026

API MPMS CHAPTER 10.9

MPMS Chapter 10-Sediment and Water - Section 9 - Standard Test Method for Water in Crude Oils by Coulometric Karl Fischer Titration, Fifth Edition

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Podrobné informácie

Označenie: API MPMS CHAPTER 10.9

Dátum vydania: 01.09.2026

Stránok: 20

Krajina: Americká technická norma

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Anotácia

This test method covers the determination of water with true concentration range from 0.07 % to 9.5 % by mass and 0.02 % to 5.00 % by volume in crude oils using Procedures A and B, respectively, and from 0.04 % to 3.75 % by mass or volume for Procedure C. Mercaptan (RSH) and sulfide (S- or H2S) as sulfur are known to interfere with this test method, but at levels of less than 500 µg /g [ppm(m)], the interference from these compounds is insignificant.This test method is intended for use with standard commercially available coulometric Karl Fischer reagent.

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