IS 1917 : Part 2 : 1991 Chemical Analysis of Quartzite and High Silica Sand - Part 2 : Determination of Sodium and Potassium By Flame Photometry

1 Scope

This standard (Part 2) covers the method for determination ofalkalies (as NO₂O and K₂O) in therange up to 2.0 percent in quartzite and high silica sand.

2 References

IS 1070 : 1977 Waterfor general Laboratory use

IS 1811 : 1984Methods of sampling foundry sands

IS 2245 : 1962Methods of sampling quartzite