Revised Standard from Last Update.

1. SCOPE

This standard prescribes requirements and methods of sampling and test for trisodium phosphate.

2. REFERENCES

The standards given below contain provisions which through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of these standards:

IS 264 : 2005 Nitric acid - Specification (third revision)

IS 265 : 2021 Hydrochloric acid - Specification (fifth revision)

IS 915 : 2012/ISO 1042 Laboratory glassware - Onemark volumetric flasks (third revision)

IS 1070 : 2023 Reagent grade water - Specification (fourth revision)

IS 2088 : 1983 Methods for determination of arsenic (second revision)

IS 2263: 1979 Methods of preparation of indicator solutions (first revision)

IS 2316 :1990 Methods of preparation of standard solutions for colorimetric and volumetric analysis (second revision)

IS 3025 (Part 2) : 2019/ISO 11885 Methods of sampling and test (physical and chemical) for water and wastewater: Part 2 Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES) (first revision)

IS 4905 : 2015/ISO 24153 Random sampling and randomization procedures (first revision)