Revised Standard from Last Update.

1. SCOPE

This standard prescribes the requirements and the methods of sampling and test for dyes used in the manufacture of water-based writing inks.

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 265 : 2021 Hydrochloric acid - Specification (fifth revision)

IS 266 : 1993 Sulphuric acid - Specification (third revision)

IS 323 : 2009 Rectified spirit for industrial use - Specification (second revision)

IS 364 : 1993 Fanlight catch - Specification

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

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

IS 4395 : 1987 Glossary of terms relating to inks and allied industry (first revision)

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