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

Standard No.

GB/T 14571.4-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 14571.4-2022

Replace

GB/T 14571.4-2008

Scope

This document specifies the method for measuring the UV light transmittance of industrial ethylene glycol in the wavelength range of 200nm~350nm. This document is applicable to the determination of the UV light transmittance of industrial ethylene glycol.

GB/T 14571.4-2022 Referenced Document

• GB/T 3723 Sampling of chemical products for industrial use--Safety in sampling
• GB/T 6680 General rules for sampling liquid chemical products
• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
• JJG 178-2007 Verification Regulation of Ultraviolet, Visible, Near-Infrared Spectrophotometers

GB/T 14571.4-2022 history

• 2022 GB/T 14571.4-2022 Test method of ethylene glycol for industrial use—Part 4：Determination of ultraviolet transmittance—Ultraviolet spectrophotometric method
• 2008 GB/T 14571.4-2008 Ethylene glycol for industrial use.Determination of ultraviolet transmittance.Ultraviolet spectrophotometric method

GB/T 14571.4-2022 -All Parts