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Database: 189759 (19 Oct 2025)
YS/T 37.2-2018 English PDF
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YS/T 37.2-2018
: Methods for chemical analysis of high pure germanium dioxide -- Determination of silicon content by molybdenum blue spectrophotomertic method
Status: Valid
YS/T 37.2: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
YS/T 37.2-2018
English
139
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Methods for chemical analysis of high pure germanium dioxide -- Determination of silicon content by molybdenum blue spectrophotomertic method
Valid
YS/T 37.2-2018
YS/T 37.2-2007
English
239
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High pure germanium dioxide. Determination of silicon content. Molybdenum blue spectrophotomertic method
Obsolete
YS/T 37.2-2007
YS/T 37.2-1992
English
199
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(Methods for chemical analysis of high purity germanium dioxide. Determination of silicon content - Molybdenum blue spectrophotometric)
Obsolete
YS/T 37.2-1992
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Basic data
Standard ID
YS/T 37.2-2018 (YS/T37.2-2018)
Description (Translated English)
Methods for chemical analysis of high pure germanium dioxide -- Determination of silicon content by molybdenum blue spectrophotomertic method
Sector / Industry
Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard
H17
Word Count Estimation
6,637
Date of Issue
2018-10-22
Date of Implementation
2019-04-01
Older Standard (superseded by this standard)
YS/T 37.2-2007
Regulation (derived from)
Ministry of Industry and Information Technology Announcement No.54 of 2018
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the method for determining the silicon content in high purity cerium oxide. This section applies to the determination of silicon content in high purity cerium oxide, the measurement range: 0.00001% ~ 0.00010%.