GB/T 12688.10-2020
Test method of styrene for industrial use—Part 10: Determination of oxygenates—Gas chromatography (English Version)

Standard No.

GB/T 12688.10-2020

Language

Chinese, Available in English version

Release Date

2020

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 12688.10-2020

Scope

This part of GB/T12688 specifies the gas chromatographic method for the determination of oxygen-containing compounds such as benzaldehyde, phenylacetaldehyde, styrene oxide, acetophenone, phenol and p-tert-butylcatechol (TBC) in industrial styrene. . This section is applicable to industries where the content of benzaldehyde is in the range of 5 mg/kg to 300 mg/kg, and the content of oxygen-containing compounds such as phenylacetaldehyde, styrene oxide, acetophenone, phenol and TBC is in the range of 1 mg/kg to 100 mg/kg. Determination using styrene.

GB/T 12688.10-2020 Referenced Document

• GB/T 3723 Sampling of chemical products for industrial use--Safety in sampling
• GB/T 6678 General principles for sampling chemical products
• GB/T 6680 General rules for sampling liquid chemical products
• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

GB/T 12688.10-2020 history

• 2020 GB/T 12688.10-2020 Test method of styrene for industrial use—Part 10: Determination of oxygenates—Gas chromatography

GB/T 12688.10-2020 -All Parts