GB/T 3049-1986 Replaced National standards

GB/T 3049-1986 Chemical products for industrial use—General method for determination of iron content—o-Phenanthroline spectrophotometric method

Publish Date: 1986-04-18 Implement Date: 1987-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 3049-1986

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Inorganic chemical raw materials

ICS Name: Chemical analysis

Publish Date: 1986-04-18

Implement Date: 1987-04-01

Publisher: National Standards Bureau

Technical Committee: Tianjin Chemical Research Institute of the Ministry of Chemical Industry

Pages: 12 pages

Development Information

Drafting Persons:

Yang Chengyin and Liu Shuying

Word Count: 16 Thousand words Pages: 12 pages

Replace the following standards

GB 3049-1982

Superseded by the following standards

GB/T 3049-2006 Chemical products for industrial use—General method for determination of iron content—1,10-Phenanthroline spectrophotometric method

Adopt standards

ISO 6685-82

Related Standards

GB/T 3143-1982 Active

GB/T 3143-1982 Color determination method of liquid chemicals (Hazen unit—platinum-cobalt scale)

Publish Date: 1982-07-20

GB/T 4472-1984 Replaced

GB/T 4472-1984 General rule for determination of density and relative density for chemical products

Publish Date: 1984-06-05

GB/T 4946-1985 Replaced

GB/T 4946-1985 Terms of gas chromatography

Publish Date: 1985-02-28

GB/T 5274-1985 Replaced

GB/T 5274-1985 Gas analysis—Preparation of calibration gas mixtures—Weighing methods

Publish Date: 1985-08-01

GB/T 5831-1986 Replaced

GB/T 5831-1986 Determination of trace oxygen in the gases—Colorimetric method

Publish Date: 1986-01-27

GB/T 5832.2-1986 Replaced

GB/T 5832.2-1986 Determination of trace water in the gases—Dew point method

Publish Date: 1986-01-27