The Bureau of Indian Standards, (BIS) on January 29, 2025, issued a notification of regarding the date of establishment and withdrawal of Cuprous Oxide.
The Date of Establishment for the following is January 17, 2025-
•IS 999 : 2025 Methods for Chemical Analysis of Brazing Solder (First Revision)
•IS 1682 : 2025 Cuprous Oxide (Fungicidal Grade), Technical — Specification (Second Revision)
The Date of Withdrawal for the following is July 17, 2025-
•IS 1682 – 1973 Specification for Cuprous Oxide, Technical (Fungicidal Grade) (First Revision)
•IS 999 - 1959 Methods of Chemical Analysis of Brazing Solder
[Notification No. HQ-PUB015/1/2020-PUB-BIS (1148)]
