IS 17439 : 2020 Polyphosphoric Acid-Specification
New Standard from Last Update.
1 SCOPE
This standard prescribes the requirements and the methods of sampling and test for polyphosphoric acid.
2 REFERENCES
The Indian 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 the standards.
265 : 1993 Hydrochloric acid — Specification (fourth revision)
266 : 1993 Sulphuric acid — Specification (third revision)
323 : 2009 Rectified spirit for industrial use — Specification (second revision)
1060 (Part 1) : 1966 Methods of sampling and test for paper and allied products: Part 1 (revised)
1070 : 1992 Reagent grade water (third revision)
3025 Methods of sampling and test (physical and chemical) for water and wastewater
(Part 2) : 2019/ISO 11885 : 2007 Determination of selected elements by inductively coupled plasma Optical emission spectrometry (ICP-OES) (first revision)
(Part 35) : 1988 Silica (first revision)
(Part 48) : 1994 Mercury (first revision)
(Part 55) : 2003 Aluminium (first revision)