IS 56 : 2025 Prussian Blue (Iron Blue) for Paints - Specification
1 SCOPE
This standard prescribes requirements and methods of sampling and test for prussian blue (iron blue) pigment for paints.
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 edition of these standards:
| IS No. | Title |
| IS 33 : 1992 | Inorganic pigments and extenders for paints - Methods of sampling and test (third revision) |
| IS 101 (Part 8/Sec 5) : 2022 | Methods of sampling and test for paints varnishes and related products: Part 8 Tests for pigments and other solids, Section 5 Lead restriction test (fourth revision) |
| IS 1070 : 2023 | Reagent grade water - Specification (fourth revision) |
| IS 1303 : 2024 | Paints - Glossary of terms (third revision) |
| IS 15556 : 2005 | Volumetric and spectrophotometric estimation of iron |