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Database: 189759 (19 Oct 2025)
YB/T 4021-2007 English PDF
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YB/T 4021-2007
: Determination of total sulphur in naphthalene. Reduction titration
Status: Valid
YB/T 4021: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
YB/T 4021-2007
English
259
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3 days [Need to translate]
Determination of total sulphur in naphthalene. Reduction titration
Valid
YB/T 4021-2007
YB/T 4021-1991
English
279
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3 days [Need to translate]
(Determination of total sulfur content of naphthalene. Reductive titration)
Obsolete
YB/T 4021-1991
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Basic data
Standard ID
YB/T 4021-2007 (YB/T4021-2007)
Description (Translated English)
Determination of total sulphur in naphthalene. Reduction titration
Sector / Industry
Ferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard
G18
Classification of International Standard
71.080.01
Word Count Estimation
8,872
Date of Issue
2007-01-25
Date of Implementation
2007-07-01
Older Standard (superseded by this standard)
YB/T 4021-1991
Quoted Standard
GB/T 601; GB/T 2000; GB/T 2289
Regulation (derived from)
NDRC Notice No. 7 of 2007
Issuing agency(ies)
National Development and Reform Commission
Summary
This standard specifies the Nickel Reduction Capacity Determination of total sulfur content in naphthalene test principle, reagents, instruments, test procedures, the results calculated with precision. This standard applies to refined Naphthalene Naphthalene and press the total sulfur content. This method is directly applicable to total sulfur content of 30 ~ 10000mg/kg samples. Total sulfur content higher dilution method available when measuring.