GB/T 3144-1982
Active
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
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
Publisher:
国家市场监督管理总局、中国国家标准化管理委员会
Technical Committee:
全国化学标准化技术委员会(SAC/TC 63)
Pages:
7 pages
Scope
GB/T 12688的本部分规定了工业用苯乙烯中总醛含量测定的手动滴定法和电位滴定法。
本部分适用于总醛含量为10 mg/kg~300 mg/kg的苯乙烯样品的测定。
Development Information
Drafting Units:
中国石油化工股份有限公司北京燕山分公司、中国石油化工股份有限公司上海石油化工研究院、广东新华粤华德科技有限公司
Drafting Persons:
祁桂义、姜连成、彭振磊、曾远森、于洪洸、郝亚冉、赵亮
Same series standard
Replace the following standards
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
Related Standards
GB/T 3145-1982
Replaced
GB/T 3145-1982 Benzene—Determination of crystallizing point
GB/T 3146-1982
Replaced
GB/T 3146-1982 Benzene hydrocarbon products—determination of distillation range
GB/T 3208-1982
Replaced
GB/T 3208-1982 Micro-coulomb method for determining the total sulfur content of benzene-type products
GB/T 3209-1982
Replaced
GB/T 3209-1982 Method for determining the amount of distillation residual of benzene-type products
GB/T 5177.2-1985
Replaced