ASTM E439-98

1.1 These test methods cover the chemical analysis of beryllium having chemical compositions within the following limits:

Concentration Element Range, % Aluminum 0.05 to 0.30 Beryllium 97.5 to 100 Beryllium Oxide 0.3 to 3 Carbon 0.05 to 0.30 Copper 0.005 to 0.10 Chromium 0.005 to 0.10 Iron 0.05 to 0.30 Magnesium 0.02 to 0.15 Nickel 0.005 to 0.10 Silicon 0.02 to 0.15

1.2 The test methods in this standard are contained in the sections indicated below.

Sections Chromium by the Diphenylcarbazide Photometric Test Method 9 to 18 Iron by the 1,10-Phenanthroline Photometric Test Method 19 to 28 Manganese by the Periodate Photometric Test Method 29 to 38 Nickel by the Dimethylglyoxime Photometric Test Method 39 to 48

1.3 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.