The Bureau of Indian Standards (BIS) on August 11, 2023, issued the date of establishment and withdrawal of the Copper Sulphate, Trisodium Phosphate and others.
The following Indian Standards were established on August 02, 2023:
• IS 261: 2023 Copper Sulphate — Specification (Third Revision)
• IS 573: 2023 Trisodium Phosphate — Specification (Fifth Revision)
• IS 711: 2023 Ferric Chloride, Technical — Specification (Second Revision)
• IS 2124: 2023 Sodium Bicarbonate — Specification (Third Revision)
• IS 2142: 2023 Bromine, Technical — Specification (Third Revision)
• IS 3401: 2023 Silica Gel — Specification (Fourth Revision)
The following Indian standard will be withdrawn on February 02, 2024:
• IS 261 : 1982 Specification for Copper Sulphate (Second Revision)
• IS 573 : 1992 Trisodium Phosphate — Specification (Fourth Revision)
• IS 711 : 1970 Specification for Ferric Chloride, Technical (First Revision)
• IS 799 : 1985 Specification for Ammonia, Liquor (Second Revision)
• IS 2124 : 2000 Sodium Bicarbonate — Specification (Second Revision)
• IS 2142 : 1992 Bromine, Technical — Specification (Second Revision)
• IS 3401 : 1992 Silica Gel — Specification (Third Revision)
[Notification No. HQ-PUB012/1/2020-PUB-BIS (667)]
