GB/T 46050-2025 Active National standards

GB/T 46050-2025 Manganese and chromium ores—Experimental methods for checking the precision of sample division

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46050-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Manganese ore

ICS Name: Manganese ore

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 16 pages

Scope

This document describes the test method for verifying the precision of sample reduction for natural or processed manganese and chromium ores.
This document is applicable to verifying the precision of sample reduction for natural or processed manganese and chromium ores.

Development Information

Word Count: 17 Thousand words Pages: 16 pages

Referenced Standards

GB/T 1506-2002 Manganese ores—Determination of manganese content—Potentiometric method and ammonium iron (II) sulphate titrimetric method GB/T 1506-2016 Manganese ores—Determination of manganese content—Potentiometric method and ammonium iron(Ⅱ) sulphate titrimetric method GB/T 2011-1987 Method of sampling and sample preparation of manganese ores in bulk 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 24228-2009 Chromium ores and concentrates—Methods of chemical analysis—General instruction GB/T 24230-2009 Chromium ores and concentrates—Determination of chromium content—Titrimetric method GB/T 24243-2009 Chromium ores—Increment sampling GB/T 28898-2012 Evaluation of uncertainty in chemical composition analysis for metallurgical materials GB/T 44031-2024 Manganese ores—Methods of chemical analysis—General instructions ISO 4296-2

Adopt standards

ISO 8530:1986

Related Standards

GB/T 1506-2002 Replaced

GB/T 1506-2002 Manganese ores—Determination of manganese content—Potentiometric method and ammonium iron (II) sulphate titrimetric method

Publish Date: 2002-09-11

GB/T 1508-2002 Active

GB/T 1508-2002 Manganese ores—Determination of total iron content—Potassium dichromate titrimetric method and 1,10-phenanthroline spectrophotometric method

Publish Date: 2002-09-11

GB/T 1515-2002 Active

GB/T 1515-2002 Manganese ores—Determination of phosphorus content—Phosphomolybdenum blue spectrophotometric method

Publish Date: 2002-09-11

GB/T 1510-2006 Replaced

GB/T 1510-2006 Manganese ores—Determination of aluminium content—EDTA titrimetric method

Publish Date: 2006-03-02

GB/T 1507-2006 Active

GB/T 1507-2006 Manganese Ores—Determination of active oxygen content—Potassium dichromate titrimetric method

Publish Date: 2006-09-12

GB/T 1509-2006 Replaced

GB/T 1509-2006 Manganese ores—Determination of silicon content—Perchloric acid dehydration gravimetric method

Publish Date: 2006-09-12