The Bureau of Indian Standards (BIS) on September 09, 2024, issued the date of establishment and withdrawal of the Cuprous Oxide for Paint and other Indian Standards.
The following Indian Standards were established on September 03, 2024:
• IS 70: 2024 Cuprous Oxide for Paints — Specification (Second Revision)
• IS 2211: 2024 ISO 10636 : 1994 Sodium Thiosulphate, Anhydrous and Pentahydrate, Photographic Grade — Specification (Third Revision)
• IS 6155: 2024 ISO 424: 1994 Sodium Carbonate, Anhydrous and Monohydrate, Photographic Grade — Specification (Second Revision)
• IS 10438: 2024 ISO 5990: 2000 Potassium Sulphite, 650 g/l Aqueous Solution for Photographic Industry — Specification (First Revision)
• IS 12125: 2024 ISO 3618: 1994 Benzotriazole, Photographic Grade — Specification (First Revision)
The following Indian Standards will be withdrawn on March 03, 2025:
• IS 70 - 1980 Specification for Cuprous Oxide for Paints (First Revision)
• IS 246 – 1986 Specification for Sodium Thiosulphate, Crystalline, Photographic Grade (Fourth Revision) IS 2211 : 1993 Anhydrous Sodium Thiosulphate, Photographic Grade — Specification (Second Revision)
• IS 6155 - 1987 Specification for Sodium Carbonate, Monohydrate, Photographic Grade (First Revision) IS 12121 – 1987 Specification for Sodium Carbonate, Anhydrous, Photographic Grade
• IS 10438 - 1983 Specification for Potassium Sulphite, 650 g/l Aqueous Solution for Photographic Industry
• IS 12125 - 1987 Specification for Benzotriazole, Photographic Grade
[Notification No. HQ-PUB013/1/2020-PUB-BIS (1019)]
