GB/T 12688.5-2019 Active National standards

GB/T 12688.5-2019 Test method of styrene for industrial use—Part 5:Determination of the content of total aldehydes—Titrimetric method

GB/T 12688.5-2019 Test method of styrene for industrial use—Part 5:Determination of the content of total aldehydes—Titrimetric method

Publish Date: 2019-06-04 Implement Date: 2020-05-01 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 12688.5-2019

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic organic chemical raw materials

ICS Name: Aromatic hydrocarbons

Publish Date: 2019-06-04

Implement Date: 2020-05-01

Pages: 7 pages

Scope

This part of GB/T 12688 specifies the manual titration method and potentiometric titration method for determining the total aldehyde content in styrene used in industry.
This part is applicable to the determination of styrene samples with a total aldehyde content of 10 mg/kg to 300 mg/kg.

Development Information

Word Count: 14 Thousand words Pages: 7 pages

Same series standard

GB/T 12688.1-2019 Test method of styrene for industrial use—Part 1:Determination of purity and hydrocarbon impurities—Gas chromatography

Replace the following standards

GB/T 12688.5-2011 Test method of styrene for industrial use—Part 5:Determination of content of total aldehydes—Titrimetric method

Referenced Standards

GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions 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 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

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