GB/T 4702.18-2020 Active National standards

GB/T 4702.18-2020 Chromiun metal—Determination of vanadium content—Tantalum reagent trichloromethane extraction spectrophtometry method

Publish Date: 2020-03-06 Implement Date: 2020-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 4702.18-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Analysis methods for steel and iron alloys

ICS Name: Iron alloy

Publish Date: 2020-03-06

Implement Date: 2020-07-01

Pages: 7 pages

Scope

This part of GB/T 4702 specifies the determination of vanadium content by the extraction and spectrophotometry method using tantalum reagent and methyl chloride.
This part is applicable to the determination of vanadium content in metal chromium, with a measurement range (mass fraction) of 0.010% to 0.500%.

Development Information

Word Count: 14 Thousand words Pages: 7 pages

Referenced Standards

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 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 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric 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 12806-1991 Laboratory glassware—One-mark volumetric flasks GB/T 12806-2011 Laboratory glassware—One-mark volumetric flasks GB/T 12808-1991 Laboratory glassware—One-mark pipettes GB/T 12808-2015 Laboratory glassware—One mark pipettes

Related Standards

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