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1.1 These test methods cover the chemical analysis of chromium and ferrochromium having chemical compositions within the following limits:

ElementConcentration, %
Aluminum0.25 max
Antimony0.005 max
Arsenic0.005 max
Bismuth0.005 max
Boron0.005 max
Carbon9.00 max
Chromium51.0 to 99.5
Cobalt0.10 max
Columbium0.05 max
Copper0.05 max
Lead0.005 max
Manganese0.75 max
Molybdenum0.05 max
Nickel0.50 max
Nitrogen6.00 max
Phosphorus0.03 max
Silicon12.00 max
Silver0.005 max
Sulfur0.07 max
Tantalum0.05 max
Tin0.005 max
Titanium0.50 max
Vanadium0.50 max
Zinc0.005 max
Zirconium0.05 max

1.2 The analytical procedures appear in the following order:

Sections
Arsenic by the Molybdenum Blue Photometric Method9-19
Lead by the Dithizone Photometric Method20-30
Chromium by the Sodium Peroxide Fusion-Titrimetric Method31-37

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 5.

Product Details

Published:
06/10/2003
Number of Pages:
5
File Size:
1 file , 49 KB
Redline File Size:
2 files , 82 KB