1.1 These test methods cover procedures for the chemical and atomic absorption analysis of uranium-ore concentrates to determine compliance with the requirements prescribed in Specification C 967.

1.2 The analytical procedures appear in the following order:

	Sections
Uranium by Ferrous Sulfate Reduction-Potassium Dichromate Titrimetry	9
Nitric Acid-Insoluble Uranium	10 to 18
Extractable Organic Material	19 to 26
Arsenic by Diethyldithiocarbamate (Photometric Method)	27 to 36
Carbonate by CO2 Gravimetry	37 to 43
Fluoride by Ion-Selective Electrode	44 to 51
Halides by Volhard Titration	52 to 59
Moisture by Loss of Weight at 110°C	60 to 66
Phosphorus by Spectrophotometry	67 to 75
Silicon by Gravimetry	76 to 82
Thorium by the Thorin (Photometric) Method	83 to 91
Calcium, Iron, Magnesium, Molybdenum, Titanium, and Vana-dium by Atomic Absorption Spectrophotometry	92 to 101
Potassium and Sodium by Atomic Absorption Spectrophotometry	102 to 111
Boron by Spectrophotometry	112 to 121

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 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 Sections 7, 32, and Note 14.