GB/T 14571.4-2022 Active National standards

GB/T 14571.4-2022 Test method of ethylene glycol for industrial use—Part 4:Determination of ultraviolet transmittance—Ultraviolet spectrophotometric method

GB/T 14571.4-2022 Test method of ethylene glycol for industrial use—Part 4:Determination of ultraviolet transmittance—Ultraviolet spectrophotometric method

Publish Date: 2022-04-15 Implement Date: 2022-11-01 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 14571.4-2022

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic organic chemical raw materials

ICS Name: Alcohols and ethers

Publish Date: 2022-04-15

Implement Date: 2022-11-01

Pages: 9 pages

Scope

This document specifies the method for determining the ultraviolet transmittance of industrial glycol in the wavelength range of 200 nm to 350 nm.
This document is applicable to the determination of the ultraviolet transmittance of industrial glycol.

Development Information

Word Count: 20 Thousand words Pages: 9 pages

Same series standard

GB/T 14571.3-2022 Test method of ethylene glycol for industrial use—Part 3:Determination of content of aldehydes

Replace the following standards

GB/T 14571.4-2008 Ethylene glycol for industrial use—Determination of ultraviolet transmittance—Ultraviolet spectrophotometric method

Referenced Standards

JJG 178-2007 Ultraviolet,Visible,Near-Infrared Spectrophotometers GB/T 3723-1999 Sampling of chemical products for industrial use—Safety in sampling GB/T 6680-2003 General rules for sampling liquid chemical products 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 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

Related Standards

GB/T 7814-1987 Replaced

GB/T 7814-1987 2-Propanol

Publish Date: 1987-05-25

GB/T 13206-1991 Replaced

GB/T 13206-1991 Glycerines

Publish Date: 1991-09-14

GB/T 13216.10-1991 Replaced

GB/T 13216.10-1991 Test methods for glycerines—Determination of saponification equivalent

Publish Date: 1991-09-14

GB/T 13216.11-1991 Replaced

GB/T 13216.11-1991 Test methods for glycerines—Limit test for arsenic

Publish Date: 1991-09-14

GB/T 13216.1-1991 Replaced

GB/T 13216.1-1991 Test methods for glycerines—Method of sampling for glycerines in drums

Publish Date: 1991-09-14

GB/T 13216.12-1991 Replaced

GB/T 13216.12-1991 Test methods for glycerines—Limit test for heavy metal

Publish Date: 1991-09-14