ISO 3139 AMD 1-1980 Aqueous hydrofluoric acid for industrial use sampling and methods of tests amendment 1《工业用含水氢氟酸 取样和试验方法 修改1》.pdf

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1、NORME INTERNATIONALE ISO 3139-1976/Al-1980 Publi 4980-03-15 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION l MEXAYHAPOI1(HAJl OPI-AHM3ALWi5I l-I0 CTAHfiAPTM3AMM*ORGANISATION INTERNATIONALE DE NORMALISATION Acide fluorhydrique en solution usage industriel - chantillonnage et mthodes dessai AMENDEMENT

2、 1 Lamendement 1 la Norme internationale ISO 3139-1976 a t tabli par le comit technique ISO/TC 47, Chimie. II fut soumis directement au Conseil de IISO conformment au paragraphe 5.10.1 de la partie 1 des Directives pour les travaux techni- ques de IISO. Page 3 Paragraphe 4.7 : Dans la deuxime ligne de la note relative la dfinition de Q, remplacer (l,O g/ml par (1,2 g/mb. CDU 661.487 : 54-145: 620.1 Rf. no : ISO 3139-1976/Al-1980 (F) Descripteurs : acide fluorhydrique, chantillonnage, analyse chimique, dosage, acide fluorosilicique, impuret. Prix bas sur 1 page Page blanche

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