GB/T 31947-2015 Active National standards

GB/T 31947-2015 Iron ores—Determination of mercury content—Solid sampling and direct mercury analysis method

Publish Date: 2015-09-11 Implement Date: 2016-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 31947-2015

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Iron ore

ICS Name: Iron ore

Publish Date: 2015-09-11

Implement Date: 2016-06-01

Pages: 9 pages

Scope

This standard specifies the method for determining the mercury content by direct measurement of solid samples.
This standard is applicable to the determination of mercury content in iron ore, with a measurement range of 0.005 μg/g to 5.00 μg/g.

Development Information

Word Count: 16 Thousand words Pages: 9 pages

Referenced Standards

GB/T 602-2002 Chemical reagent—Preparations of standard solutions for impurity GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results—Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 10322.1-2000 Iron ores—Sampling and sample preparation procedures GB/T 10322.1-2014 Iron ores—Sampling and sample preparation procedures GB/T 10322.1-2023 Iron ores—Sampling and sample preparation procedures JJG 548-2004 Mercury Analyzers JJG 548-2018 Mercury Analyzers GB/T 602-2026 Chemical reagent—Preparations of standard solutions for impurity

Related Standards

GB/T 14849.2-1993 Replaced

GB/T 14849.2-1993 Silicon metal—Determination of aluminum content—Chrome azurol S spectrophotometric method

Publish Date: 1993-12-24

GB/T 10322.1-2000 Replaced

GB/T 10322.1-2000 Iron ores—Sampling and sample preparation procedures

Publish Date: 2000-06-05

GB/T 10322.2-2000 Active

GB/T 10322.2-2000 Iron ores—Experimental methods for evaluation of quality variation

Publish Date: 2000-06-05

GB/T 10322.3-2000 Replaced

GB/T 10322.3-2000 Iron ores—Experimental methods for checking the precision of sampling

Publish Date: 2000-06-05

GB/T 10322.4-2000 Replaced

GB/T 10322.4-2000 Iron ores—Experimental methods for checking the bias of sampling

Publish Date: 2000-06-05

GB/T 10322.5-2000 Replaced

GB/T 10322.5-2000 Iron ores—Determination of moisture content of a consignment

Publish Date: 2000-06-05