Standard No.:	YS/T 256-2000
English Name:	Cobalt oxide
Chinese Name:	氧化钴
Chinese Classification:	H62    Heavy metals and their alloys
Professional Classification:	YS    Professional Standard - Non-ferrous Metal
ICS Classification:	77.120.70 77.120.70    Cadmium, cobalt and their alloys 77.120.70
Issued by:	CHCMI
Issued on:	2000-10-25
Implemented on:	2001-3-1
Status:	superseded
Superseded by:	YS/T 710.4-2009 Method for chemical analysis of cobalt oxide—Part 4:Determination of arsenic content—Atomic fluorescence spectrometry YS/T 710.3-2009 Method for chemical analysis of cobalt oxide—Part 3:Determination of sulphur content—High frequency combustion-infrared absorption method YS/T 710.1-2009 YS/T 710.2-2009 Method for chemical analysis of cobalt oxide - Part 2: Determination of sodium content - Flame atomic absorption spectrometry method YS/T 256-2009 Cobalt oxide
Superseded on:	2010-6-1
Superseding:	YS/T 710.1-2009
Language:	English
File Format:	PDF
Word Count:	11000 words
Price(USD):	700.0
Delivery:	via email in 1~5 business day

本标准规定了氧化钴的要求、试验方法、检验规则、包装和质量证明书。本标准适用于供生产硬质合金，磁性材料，玻璃、搪、陶瓷颜、釉料及其他用途的氧化钴。