GB/T 3144-1982
Active
T/SDSCCE 019-2022
Active
Group standards
T/SDSCCE 019-2022 Recycle dichloromethane
T/SDSCCE 019-2022 Recycle dichloromethane
Price:
$ 20.00
Basic Information
Standard Code:
T/SDSCCE 019-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Traction power supply
ICS Name:
Aromatic hydrocarbons
Publish Date:
2022-03-26
Implement Date:
2022-04-03
Scope
Main technical content: This document specifies the requirements for the recovery of methylene chloride, test methods, inspection rules, as well as marking and accompanying documents, packaging, transportation, and storage. This document is applicable to the recovery of methylene chloride obtained from waste liquids generated in the pharmaceutical industry during the synthesis of cephalosporins, meropenems, avermectins, and penicillins. The methylene chloride is recovered through pre-treatment, distillation, and other processes and is used in chemical production.
Development Information
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