Leather — Determination of nitrogen content and "hide substance" — Titrimetric method

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

01-03-1984

Publisher

International Organization for Standardization

The principle consists in decomposition of a test portion by Kjeldahl method, distillation of the ammonia liberated, determination of the nitrogen content by titration of the ammonia with sulfuric or hydrochloric acid, using phenolphthalein as indicator. The method is applicable to all types of leather in all types of tannage.

DocumentType	Standard
Pages	3
PublisherName	International Organization for Standardization
Status	Current

Standards	Relationship
IS 582 : Part 12 : 2022	Identical
SANS 970 : 1ED 2010(R2016)	Identical
UNE 59018:1986	Identical
DIN 53308:1968-10	Identical
NFG 52 206 : 1976	Similar to
DIN 53308:1968-10	Corresponds

UNI 10885 : 2012

VEGETABLE TANNED LEATHER - DEFINITION, CHARACTERISTICS AND REQUIREMENTS

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ISO 5397:1984

Current

Abstract

General Product Information

International Equivalents

Standards Referenced By This Book

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