GB/T 11199-1989
Replaced
HG/T 3688-2025
Active
Industry standards-Chemical industry
HG/T 3688-2025 High-quality potassium hydroxide in the form of a flake
HG/T 3688-2025 High-quality potassium hydroxide in the form of a flake
Basic Information
Standard Code:
HG/T 3688-2025
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Inorganic acids and alkalis
ICS Name:
\nAlkali
Publish Date:
2025-12-17
Implement Date:
2026-07-01
Publisher:
工业和信息化部
Technical Committee:
全国化学标准化技术委员会无机化工分技术委员会
Development Information
Drafting Units:
优利德(江苏)化工有限公司、华融化学股份有限公司、唐山三孚硅业股份有限公司等
Drafting Persons:
杨哲生、罗小容、周晓咪 等
Replace the following standards
Related Standards
GB/T 11213.1-1989
Replaced
GB/T 11213.1-1989 Sodium hydroxide for chemical fiber—Determination method of mass fraction
GB/T 11213.2-1989
Replaced
GB/T 11213.2-1989 Sodium hydroxide for chemical fiber use—Determination of sodium chloride content—Spectrometric method
GB/T 11213.7-1989
Replaced
GB/T 11213.7-1989 Sodium hydroxido for chemical fiber use—Determination of copper mass fraction—Spectrometric method
GB 209-1993
Replaced
GB 209-1993 Sodium hydroxide for industrial use
GB/T 4294-1997
Replaced