ASTM E371 PDF

ASTM E371 – Standard Test Method for the Determination of Boron in Ferroboron (Withdrawn 2006)

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

Element	Concentration, %
Aluminum	2.00 max
Boron	12.0-24.0
Carbon	1.50 max
Chromium	0.75 max
Copper	0.15 max
Lead	0.01 max
Manganese	1.00 max
Molybdenum	1.50 max
Nickel	0.10 max
Phosphorus	0.06 max
Silicon	4.00 max
Sulfur	0.02 max

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

	Section
Boron by the Ion-exchange Titrimetric Method (12 to 24 %)	9

1.3This standard does not purport to address all of the safety concerns, 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. Specific precautionary statements are given in Section 5 and in special “Warning” paragraphs throughout these test methods.