GB/T 14949.5-2021 Active National standards

GB/T 14949.5-2021 Manganese ores—Determination of titanium content—Diantipyrylmethane spectrophotometric method

Publish Date: 2021-05-21 Implement Date: 2021-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 14949.5-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Manganese ore

ICS Name: Manganese ore

Publish Date: 2021-05-21

Implement Date: 2021-12-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国生铁及铁合金标准化技术委员会(SAC/TC 318)

Pages: 14 pages

Scope

本标准规定了二安替吡啉甲烷分光光度法测定钛含量。
本标准适用于锰矿石、锰精矿、烧结锰矿中钛含量的测定。测定范围（质量分数）：0.01%～0.50%。

Development Information

Drafting Units:

青岛博正检验技术有限公司、青岛博信达科技有限公司、青岛远诚创智科技有限公司、黄岛海关综合技术服务中心、青岛海关技术中心、冶金工业信息标准研究院

Drafting Persons:

管嵩、范玉、张庆建、郑丽宏、史高兴、张倩、王晶

Word Count: 25 Thousand words Pages: 14 pages

Same series standard

GB/T 14949.2-2021 Manganese ores—Determination of nickel content—Flame atomic absorption spectrometric method GB/T 14949.6-2021 Manganese ores—Determination of copper,lead and zinc content—Flame atomic absorption spectrometric method GB/T 14949.11-2021 Manganese ores—Determination of carbon content—Gravimetric method and infrared absorption method GB/T 14949.12-2021 Manganese ores—Determination of combined water content—Gravimetric method

Replace the following standards

GB/T 14949.5-1994 Manganese ores—Determination of titanium content

Referenced Standards

GB/T 2011-1987 Method of sampling and sample preparation of manganese ores in bulk GB/T 6379.1-2004 Accuracy(trueness and precision)of measurement methods and results—Part 1:General principles and definitions 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 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

Adopt standards

ISO 7723:1984

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