In pursuance of Subrule 1 of Rule 15 of the Bureau of Indian Standards Rules, 2018, the Bureau of Indian Standards

5207 GI/202 3 (1) रजिस्ट्री सं. डी.एल.- 33004/99 REGD. No . D. L. -33004/99 EXTRAORDINARY PART III—Section 4 PUBLISHED BY AUTHORITY (1) (2) (3) (4) (5) आई एस 261 : 2023 आई एस 261 : 1982 No. 569] NEW DELHI, FRIDAY, AUGUST 11 , 2023/ SHRAVANA 20, 1945 CG-DL-E-12082023-248058 2 आई एस 573 : 2023 आई एस 711 : 2023 आई एस 711 : 1970 आई एस 799 : 2023 आई एस 799 : 1985 आई एस 2124 : 2023 आई एस 2124 : 2000 आई एस 2142 : 2023 आई एस 2142 : 1992 आई एस 3401 : 2023 आई एस 3401 : 1992 BUREAU OF INDIAN STANDARDS (Department of Consumer Affairs ) NOTIFICATION New Delhi, the 3rd August , 2023 Ref: HQ -PUB012 /1/2020 -PUB -BIS (667) .—In pursuance of Sub -rule (1) of Rule (15) of the Bureau of Indian Standards Rules, 2018, the Bureau of Indian Standards hereby notifies th at Indian standards, particulars of which are given in the second column of the schedule hereto annexed have been established on the date indicated against it in third column . The particulars of the standards, if any which are given in the fourth column sh all also remain in force concurrently till they are withdrawn on the date indicated against them in the fifth column . SCHEDULE P. RAJESH , Scientist F & DDG (ITS, PRT & TNM) [ADVT. -III/4/Exty./ 351/2023 -24] Uploaded by Dte. of Printing at Government of India Press, Ring Road, Mayapuri, New Delhi -110064 and Published by the Controller of Publications, Delhi -110054. Sl. No. No., Year & Title of the Indian Standards Established Date of Establishment No. , Year & Title of the Indian Standar ds to be withdrawn, if any Date of withdrawal (1) (2) (3) (4) (5) IS 261 : 2023 Copper Sulphate — Specification (Third Revision) 2 August 2023 IS 261 : 1982 Specification for Copper Sulphate (Second Revision) 2 February IS 573 : 2023 Trisodium Phosphate — Specification (Fifth Revision) 2 August 2023 IS 573 : 1992 Trisodium Phosphate — Specification (Fourth Revision) 2 February IS 711 : 2023 Ferric Chloride, Technical — Specification (Second Revision) 2 August 2023 IS 711 : 1970 Specification for Ferric Chloride, Technical (First Revision) 2 February IS 799 : 2023 Ammonia, Liquor — Specification (Third Revision) 2 August 2023 IS 799 : 1985 Specification for Ammonia, Liquor (Second Revision) 2 February IS 2124 : 2023 Sodium Bicarbonate — Specification (Third Revision) 2 August 2023 IS 2124 : 2000 Sodium Bicarbonate — Specification (Second Revision) 2 February IS 2142 : 2023 Bromine, Technical — Specification (Third Revision) 2 August 2023 IS 2142 : 1992 Bromine, Technical — Specification (Second Revision) 2 February IS 3401 : 2023 Silica Gel — Specification (Fourth Revision) 2 August 2023 IS 3401 : 1992 Silica Gel — Specification (Third Revision) 2 February