GB/T 8089-1987
Replaced
GB/T 18012-2021
Active
National standards
GB/T 18012-2021 Rubber latex—Determination of pH
GB/T 18012-2021 Rubber latex—Determination of pH
Basic Information
Standard Code:
GB/T 18012-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Rubber products and their auxiliary materials
ICS Name:
Rubber latex and raw rubber
Publish Date:
2021-10-11
Implement Date:
2022-05-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国橡胶与橡胶制品标准化技术委员会天然橡胶分技术委员会(SAC/TC 35/SC 8)
Pages:
11 pages
Scope
本文件描述了采用装有玻璃和银复合参比电极的pH计测定天然胶乳和合成胶乳pH值的方法。
本文件适用于天然胶乳和合成胶乳。本文件也适用于预硫化胶乳和配合胶乳。
注： pH值大于11时，本文件操作方法的准确度会降低。
Development Information
Drafting Units:
中国石油天然气股份有限公司石油化工研究院、中国热带农业科学院农产品加工研究所
Drafting Persons:
翟月勤、李一民、赵慧晖、卢光、李晓银、吴毅、陈跟平、陈民
Replace the following standards
Referenced Standards
GB/T 27501-2011 Preparation method of buffer solutions for the measurement of pH value
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 8290-1987 Natural rubber latex concentrate—Sampling
GB/T 8290-2008 Natural rubber latex concentrate—Sampling
GB/T 8290-2021 Rubber latex—Sampling
Adopt standards
ISO 976:2013
Related Standards
GB/T 8090-1987
Replaced
GB/T 8090-1987 Raw natural rubber—White crepes and pale crepes
GB/T 8083-1987
Replaced
GB/T 8083-1987 Raw natural rubber—Standard rubber—Sampling
GB/T 8084-1987
Abolished
GB/T 8084-1987 Raw natural rubber—Sample preparation
GB/T 8086-1987
Replaced
GB/T 8086-1987 Raw natural rubber—Determination of dirt
GB/T 8290-1987
Replaced