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QB/T 1324-2023Determination of water content in detergents and surfactants Karl Fischer method (English PDF)

洗涤剂和表面活性剂含水量的测定卡尔·费休法

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

April 21, 2023

Implementation date

November 1, 2023

Scope

QB/T 1324-2023 is the English-translated version of 洗涤剂和表面活性剂含水量的测定卡尔·费休法.

QB/T 1324-2023 — This standard specifies the volumetric titration and coulometric titration methods for determining the water content of detergents and surfactants using Karl Fischer reagent.

The measurement results include free water, crystal water, absorbed water, and occluded water. This standard is applicable to the determination of water content of powder, paste and liquid detergents and surfactant products.

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Document preview — QB/T 1324-2023

National Standard of the People's Republic of China

ICS: 71.100.40
Classification: Y 43

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the volumetric titration and coulometric titration methods for determining the water content of detergents and surfactants using Karl Fischer reagent. The measurement results include free water, crystal water, absorbed water, and occluded water. This standard is applicable to the determination of water content of powder, paste and liquid detergents and surfactant products. The volumetric titration method provided in this standard is suitable for samples with a water content of 2% or more; the coulometric titration method is suitable for samples with a water content of �0.1%; the water content is between 0.1% and 2%, and both methods are applicable.

Document data

International classification (ICS): 71.100.40.

Chinese classification (CCS): Y43.

Estimated length of the Chinese original: 15,155 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 10 pages — is available in the English PDF.

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