GB/T 28369-2012 Active National standards

GB/T 28369-2012 Ferroalloys—Experimental methods for the evaluation of the quality variation and methods for checking the precision of sampling

Publish Date: 2012-05-11 Implement Date: 2013-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 28369-2012

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Iron alloy

ICS Name: Iron alloy

Publish Date: 2012-05-11

Implement Date: 2013-02-01

Pages: 12 pages

Scope

This standard specifies the test methods for evaluating the quality fluctuations of ferroalloys, in order to determine the parameters of random sampling and graded sampling described in the relevant standards. It also stipulates the accuracy of samples taken by random sampling and graded sampling methods for inspection purposes.

Development Information

Word Count: 21 Thousand words Pages: 12 pages

Referenced Standards

GB/T 2272-2009 Ferrosilicon GB/T 2272-2020 Ferrosilicon GB/T 3282-2006 Ferrotitanium GB/T 3282-2012 Ferrotitanium GB/T 3648-1996 Ferrotungsten GB/T 3648-2013 Ferrotungsten GB/T 3648-2024 Ferrotungsten GB/T 3649-2008 Ferromolybdenum GB/T 3795-1996 Ferromanganese GB/T 3795-2006 Ferromanganese GB/T 3795-2014 Ferromanganese GB/T 4008-1996 Ferromanganese-silicon GB/T 4008-2008 Ferromanganese-silicon GB/T 4008-2024 Ferromanganese-silicon GB/T 4009-1989 Chromium silicon GB/T 4009-2008 Chromium silicon GB/T 4010-1994 Ferroalloys—Sampling and preparation of samples for chemical analysis GB/T 4010-2015 Ferroallys sampling and preparation of samples for chemical analysis GB/T 4139-2004 Ferrovanadium GB/T 4139-2012 Ferrovanadium GB/T 5683-2008 Ferrochromium GB/T 5683-2024 Ferrochromium GB/T 7737-1997 Ferroniobium GB/T 7737-2007 Ferroniobium GB/T 18249-2000 Ferroalloys-Experimental methods for checking the bias of sampling and sample preparation GB/T 28371-2012 Ferroalloys—Experimental methods for checking the precision of sample division GB/T 28372-2012 Ferroalloys—Sampling and preparation of samples—General rules

Adopt standards

ISO 7087:1984

Related Standards

GB/T 3654.10-1983 Replaced

GB/T 3654.10-1983 Methods for chemical analysis of ferroniobium The EDTA volumetric method for the determination of aluminum content

Publish Date: 1983-05-02

GB/T 3654.1-1983 Active

GB/T 3654.1-1983 Methods for chemical analysis of ferroniobium—The paper chromatograph-gravimetric method for the determination of niobium and tantalum

Publish Date: 1983-05-02

GB/T 3654.2-1983 Replaced

GB/T 3654.2-1983 Methods for chemical analysis of ferroniobium—The neocuproine-chloroform extraction photometric method for the determination of copper content

Publish Date: 1983-05-02

GB/T 3654.3-1983 Replaced

GB/T 3654.3-1983 Methods for chemical analysis of ferroniobium The gravimetric method for the determination of silicon content

Publish Date: 1983-05-02

GB/T 3654.4-1983 Active

GB/T 3654.4-1983 Methods for chemical analysis of ferroniobium The combustion gravimetric method for the determination of carbon content

Publish Date: 1983-05-02

GB/T 3654.5-1983 Active

GB/T 3654.5-1983 Methods for chemical analysis of ferroniobium The molybdenum blue photometric method for the determination of the phosphorus comtent

Publish Date: 1983-05-02