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Chinese National Standard Category: Building material raw material ore

English Title: Sillicate rocks. Determination of nickel and cobalt content. Ammonium hydroxide-ammonium chloride-sulfosalicylic acid-dimethyl glyoxime medium polarographic method
Chinese Title: 硅酸盐岩石化学分析方法 氢氧化铵-氯化铵-磺基水杨酸-丁二肟底液极谱法同时测定镍量和钴量
Standard No.: GB/T 14506.21-1993
Category No.: D53
Issued by: CSBTS
Issued on: 1993-06-19
Implemented on: 1994-2-1
Status: superseded
Superseded by:GB/T 14506.21-2010 Methods for chemical analysis of silicate rocks—Part 21:Determination of nickel and cobalt content
Superseded on:2011-2-1
Abolished on:
Superseding:
Word Count:1500 words
Similar Standards: GB/T 14506.33-2019   GB/T 14506.34-2019   DZ/T 0316-2018   DZ/T 0318-2018   GB/T 14506.29-2010   GB/T 14505-2010   GB/T 14506.8-2010   GB/T 14506.12-2010   GB/T 14840-2010   GB/T 14506.23-2010   GB/T 14506.19-2010   GB/T 14506.15-2010   GB/T 14506.17-2010   GB/T 14506.22-2010   GB/T 14506.13-2010   GB/T 14506.3-2010   GB/T 14506.4-2010   GB/T 14506.14-2010   GB/T 14506.28-2010   GB/T 14506.16-2010  
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