WIthdrawn Standards : CHD 1


S.No. IS Number IS Title Category Superseded By
1 IS 1021 : 1964 Caustic Soda, Pure ------ IS 252
2 IS 1065 : 1989 Bleaching Powder, Stable Product Specification IS 1065 (Part 1) : 2019
3 IS 11657 : 1986 Specification for phosphorus oxychloride, technical Product Specification ------
4 IS 11673 : 1992 Sodium hypochlorite solution - Specification (First Revision) Product Specification IS 11673 (Part 1) : 2019
5 IS 11744 : 1986 Phosphorus Pentachloride, Technical Others ------
6 IS 12008 : 1986 Specification for silica gel, chromatographic grade Product Specification IS 12008 : 2023
7 IS 12178 : 1987 Specification for acetylene, black Product Specification IS 12178 : 2022
8 IS 1290 : 1973 Specification for mineral gypsum (Second Revision) Product Specification ------
9 IS 1334 : 1958 Calcium Chloride, Technical ------ IS 1314
10 IS 1744 : 1970 Stannic chloride anhydrous, technical ------ ------
11 IS 1808 : 1961 Hydrated lime for grease manufacture ------ IS 1540 : Part 2
12 IS 1845 : 1964 Common salt for butter and cheese industry ------ IS 253
13 IS 2035 : 1961 Free-flowing Table Salt ------ IS 253
14 IS 2080 : 1980 Specification for stabilized hydrogen peroxide (First Revision) Product Specification ------
15 IS 2088 : 1983 Methods for determination of arsenic (Second Revision) Methods of tests IS 2088:2023
16 IS 2449 : 1963 Specification for silver oxide Product Specification IS 2449:2023
17 IS 247 : 1987 Specification for sodium sulphite, anhydrous (Fourth Revision) Product Specification IS 247:2023
18 IS 248 : 1987 Specification for sodium bisulphite, technical (Sodium Metabisulphite) (Fourth Revision) Product Specification IS 248:2023
19 IS 249 : 1979 Specification for sodium bichromate, technical (Third Revision) Product Specification IS 249 : 2022
20 IS 250 : 1964 Specification for potassium bichromate, technical and analytical reagent (Revised) Product Specification IS 250 : 2022
21 IS 254 : 1973 Specification for magnesium chloride (Second Revision) Product Specification IS 254:2023
22 IS 255 : 1982 Specification for sodium sulphate, anhydrous (Technical Grade) (Second Revision) Product Specification ------
23 IS 262 : 1982 SpecificatlOn for ferrous sulphate, heptahydrate (Second Revision) Product Specification IS 262 : 2022
24 IS 265 : 1993 Hydrochloric acid - Specification (Fourth Revision) Product Specification ------
25 IS 2832 : 1964 Waterproof silicon carbide paper ------ ------
26 IS 295 : 1951 Bleaching powder, unstabilized ------ ------
27 IS 296 : 1986 Specification for sodium carbonate, anhydrous (Third Revision) Product Specification IS 296 : 2023
28 IS 3225 : 1965 Methods for Preparation of Buffer Solutions ------ ------
29 IS 333 : 1980 Specification for potassium permanganate (Second Revision) Product Specification ------
30 IS 376 : 1986 Specification for sodium hydroxide, analytical reagent (Third Revision) Product Specification ------
31 IS 380 : 1978 Specification for french chalk, technical (Second Revision) Product Specification ------
32 IS 4256 : 1967 Specification for hydrated calcium sulphate from marine brine Product Specification IS 4256 : 2022
33 IS 4284 : 1967 Method for volumetric determination of iron ------ ------
34 IS 4505 : 1968 Sodium formaldehyde sulphoxylate Others ------
35 IS 4542 : 1968 Colorimetric methods for determination of iron ------ ------
36 IS 4581 : 1978 Specification for phosphorus trichloride, pure and analytical reagent (First Revision) Product Specification ------
37 IS 491 : 1954 Sodium bicarbonate, pure and analytical reagent ------ IS 2124
38 IS 492 : 1954 Sodium bicarbonate, refined (tentative) ------ IS 2124
39 IS 5321 : 1969 Specification for soda lime (As Carbon Dioxide Absorbent) Product Specification ------
40 IS 559 : 1954 Chromic Trioxide (chromic Acid) ------ IS 330
41 IS 5741 : 1970 Method for determination of pH ------ ------
42 IS 6100 : 1984 Specification for sodium tripolyphosphate, anhydrous, technical (First Revision) Product Specification ------
43 IS 646 : 1986 Specification for liquid chlorine, technical (Second Revision) Product Specification ------
44 IS 6605 : 1972 Specification for potassium chromate Product Specification IS 6605 : 2023
45 IS 6614 : 1972 Specification for aluminium chloride, anhydrous, technical Product Specification ------
46 IS 6831 : 1992 Caustic potash - Specification (Second Revision) Product Specification IS 6831:2023
47 IS 7129 : 1992 Potassium carbonate, anhydrous - Specification (First Revision) Product Specification ------
48 IS 7212 : 1974 Methods of determination of copper Methods of tests IS 7212:2023
49 IS 7541 : 1974 Specification for stabilized liquid sulphur trioxide Product Specification IS 7541 : 2023
50 IS 797 : 1982 Specification for common salt for chemical industries (Third Revision) Product Specification IS 797 : 2023
51 IS 798 : 1986 Ortho-phosphoric acid Product Specification ------