GB/T 38139-2019 Active National standards

GB/T 38139-2019 Test methods for liquid raw materials of cement grinding aids—Gas chromatography

Publish Date: 2019-10-18 Implement Date: 2020-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 38139-2019

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Cement

ICS Name: Cement, gypsum, lime, and mortar

Publish Date: 2019-10-18

Implement Date: 2020-09-01

Pages: 11 pages

Scope

This standard specifies the gas chromatography method for quantitative determination of the components of liquid raw materials used in the production of cement grinding aids, including the principle, test conditions, reagents and materials, instruments and equipment, test steps, test data processing, and precision.
This standard is applicable to triethanolamine, triisopropanolamine (including isomers), diethylene glycol, and diethanol monoisopropanolamine (including isomers) used in the production of cement grinding aids, as well as single or mixed liquid raw materials that do not contain inorganic substances and have a mass fraction of less than 85%.

Development Information

Word Count: 20 Thousand words Pages: 11 pages

Referenced Standards

GB/T 3723-1999 Sampling of chemical products for industrial use—Safety in sampling GB/T 6678-2003 General principles for sampling chemical products GB/T 6680-2003 General rules for sampling liquid chemical products 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 GB/T 9722-2006 Chemical reagent—General rules for the gas chromatography GB/T 27564-2011 Triisopropanolamine for industrial use GB/T 9722-2023 Chemical reagent—General rules for the gas chromatography

Related Standards

GB/T 2022-1980 Replaced

GB/T 2022-1980 Test method for heat of hydration of cement—Adiabatic method

Publish Date: 1980-09-27

GB/T 177-1985 Abolished

GB/T 177-1985 Test method for strength of hydraulic cement mortar

Publish Date: 1985-06-29

GB/T 6645-1986 Replaced

GB/T 6645-1986 Granulated electric furnace phosphorous slag used for cement production

Publish Date: 1986-07-29

GB/T 7897.1-1987 Replaced

GB/T 7897.1-1987 Test method of mechanical properties of mortar for ferrocement General principle

Publish Date: 1987-06-05

GB/T 7897.2-1987 Replaced

GB/T 7897.2-1987 Test method of mechanical properties of mortar for ferrocement Test of bending strength

Publish Date: 1987-06-05

GB/T 7897.3-1987 Replaced

GB/T 7897.3-1987 Test method of mechanical properties of mortar for ferrocement Test of compressive strength

Publish Date: 1987-06-05