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Chinese National Standard Category: Carbon material in general |
English Title: | Determination of iron in graphite products of high purity by ortho - Phenathroline photometric method |
Chinese Title: | 高纯石墨制品中铁的测定 邻二氮菲分光光度法 |
Standard No.: | YB/T 5157-1993 |
Category No.: | Q50 |
Issued by: | CMMI |
Issued on: | 1993-12-8 |
Implemented on: | 1994-1-1 |
Status: | superseded |
Superseded by: | YB/T 5157-2016 Determination of iron in graphite products of high purity by ortho-Phenathroline spectrophotometric method |
Superseded on: | 2017-1-1 |
Abolished on: | |
Superseding: | GB 6713-1986 Determination of iron in graphite products of high purity by ortho-phenanthroline photometric method |
Word Count: | 1000 words |
Similar Standards: | GB/T 42241-2022 GB/T 39535-2020 GB/T 38823-2020 GB/T 8721-2019 GB/T 1431-2019 GB/T 37588-2019 GB/T 35926-2018 GB/T 35922-2018 GB/T 1427-2016 GB/T 29189-2012 GB/T 8718-2008 YB/T 5158-2007 YB/T 5159-2007 QJ 2781A-2004 QJ A 2781-2004 YB/T 4034-2001 GB/T 1427-2000 GB/T 8719-1997 YB/T 120-1997 YB/T 1430-1997 |
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