GB/T 47119-2026 Active National standards

GB/T 47119-2026 Testing method for determination of thermal stability of organic heat transfer fluids—Gas chromatography with internal standard method

Publish Date: 2026-01-28 Implement Date: 2026-01-28 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 47119-2026

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Lubricating oil

ICS Name: Boilers and heat exchangers

Publish Date: 2026-01-28

Implement Date: 2026-01-28

Pages: 20 pages

Scope

This document describes the method of determining the thermal stability of organic heat carriers using gas chromatography with internal standards.
This document is applicable to the determination of the thermal stability of unused synthetic organic heat carriers with relatively simple components and a distillation range (at normal pressure) of less than 55 °C.
This document is not applicable to the determination of the thermal stability of silicone-based heat carriers.

Development Information

Word Count: 21 Thousand words Pages: 20 pages

Referenced Standards

GB/T 4756-1998 Petroleum liquids—Manual sampling GB/T 4756-2015 Method for manual sampling of petroleum liquids GB/T 4946-1985 Terms of gas chromatography GB/T 4946-2008 Terms of gas chromatography GB 4962-1985 Technical safety regulation for gaseous hydrogen use GB 4962-2008 Technical safety regulation for gaseous hydrogen use GB/T 9722-2023 Chemical reagent—General rules for the gas chromatography GB/T 23800-2009 Heat transfer fluids—Determination of thermal stability GB 23971-2009 Heat transfer fluids GB 23971-2025 Organic heat transfer fluids GB/T 30430-2019 Standard column used for evaluating gas chromatographs HG/T 3115-1998 Borosilicate glass 3.3 - Properties

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