IS 1917 : Part 2 : 2025 Chemical Analysis of Quartzite and High Silica Sand - Part 2 Determination of Sodium and Potassium by Flame Photometry

ICS 73.080

MTD 34

1 SCOPE

This standard (Part 2) covers the method for determination of alkalis (as Na2O and K2O) in the range up to 2.0 percent in quartzite and high silica sand.

2 REFERENCES

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

IS No. Title

IS 1070 : 2023

Reagent grade water - Specification (fourth revision)

IS 1811 : 1984

Methods of sampling foundry sands (first revision)

IS 2245 : 1962

Methods of sampling quartzite