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Database: 189759 (19 Oct 2025)
GB/T 8220.1-1998 English PDF
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GB/T 8220.1-1998
: Methods for chemical analysis of bismuth--Determination of copper content--Bis-acetaldehyde-oxalydihydrazone photometric method
Status: Obsolete
GB/T 8220.1: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
GB/T 8220.1-1998
English
239
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Methods for chemical analysis of bismuth--Determination of copper content--Bis-acetaldehyde-oxalydihydrazone photometric method
Obsolete
GB/T 8220.1-1998
GB/T 8220.1-1987
English
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3 days [Need to translate]
Methods for chemical analysis of bismuth--The bis-acetaldehyde-oxalyldihydrazone photometric method for the determination of copper content
Obsolete
GB/T 8220.1-1987
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Basic data
Standard ID
GB/T 8220.1-1998 (GB/T8220.1-1998)
Description (Translated English)
Methods for chemical analysis of bismuth--Determination of copper content--Bis-acetaldehyde-oxalydihydrazone photometric method
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H13
Classification of International Standard
77.120.70
Word Count Estimation
6,626
Date of Issue
8/19/1998
Date of Implementation
3/1/1999
Older Standard (superseded by this standard)
GB 8220.1-1987; GB/T 915-1995
Regulation (derived from)
Development & Reform Commission Bulletin 2006 No. 46; National AQSIQ National Standardization Committee Bulletin (2007 No. 146)
Issuing agency(ies)
State Quality and Technical Supervision