GB/T 14849.1-1993 Replaced National standards

GB/T 14849.1-1993 Silicon metal—Determination of iron content—1,10-Phenanthroline spectrophotometric method

Publish Date: 1993-12-24 Implement Date: 1994-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 14849.1-1993

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Analysis methods for semi-metallic and semiconductor materials

ICS Name: Heat-treated steel

Publish Date: 1993-12-24

Implement Date: 1994-09-01

Pages: 4 pages

Development Information

Word Count: 6 Thousand words Pages: 4 pages

Same series standard

GB/T 14849.2-1993 Silicon metal—Determination of aluminum content—Chrome azurol S spectrophotometric method GB/T 14849.3-1993 Silicon metal—Determination of calcium content

Superseded by the following standards

GB/T 14849.1-2007 Methods for chemical analysis of silicon metal—Part 1:Determination of iron content—1,10-Phenanthrolion spectrophotometric method

Referenced Standards

GB 1.4 GB/T 1467-2008 Method for chemical analysis of metallurgy product—General rules and regulations GB/T 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric methods

Adopt standards

COCT 1904.1-1973

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