Standard No.:	GB 7744-1998
English Name:	Hydrofluoric acid for industrial use
Chinese Name:	工业氢氟酸
Chinese Classification:	G11    Inorganic acid and alkali
Professional Classification:	GB    National Standard
ICS Classification:	71.060.30 71.060.30    Acids 71.060.30
Issued by:	State Qualtiy Technical Supervision Bureau
Issued on:	1998-10-19
Implemented on:	1999-4-1
Status:	abolished
Superseded by:	GB/T 7744-2008 Hydrofluoric acid for industrial use
Superseded on:	2009-9-1
Abolished on:	2009-09-01
Superseding:	GB 7744-1987 Hydrofluoric acid for industrial use GB 7745.4-1987 Hydrofluoric acid for industrial use--Determination of iron content--Spectrophotometric method GB 7745.3-1987 Hydrofluoric acid for industrial use--Determination of hexafluorosilicic acid content--Spectrophotometric method GB 7745.2-1987 Hydrofluoric acid for industrial use--Determination of nonvolatile acids content--Titrimetric method GB 7745.1-1987 Hydrofluoric acid for industrial use--Determination of total acidity and hexafluorosilicic acid content--Titrimetric method
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	340.0
Delivery:	via email in 1~3 business day

本标准规定了工业氢氟酸的要求、试验方法、检验规则以及标志、包装、运输、贮存和安全。本标准适用于氢氟酸，主要用于化工、冶金、玻璃、矿山、石油开采、原子能等工业。