IS 12667 : Part 4 : 1989 Methods of chemical analysis of chromite sand Part 4 Determination of calcium
| UDC 666.762.43 : 543 [546.41] : 621.742.42 | MTD 34 |
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| Reaffirmed 2022 |
1 Scope
1.1 This standard (Part 4) covers a method for determination ofcalcium (as CaO) in chromite sand for foundries.
2 References
IS 264 : 1976Specification for nitric acid
IS 265 : 1987Specification for hydrochloric acid
IS 1811 : 1984Methods of sampling foundry sand