Norm

ASTM C1022 - 17 en

Standard Test Methods for Chemical and Atomic Absorption Analysis of Uranium-Ore Concentrate

57,20 69,21 Incl BTW

Over deze norm

Status Definitief
Aantal pagina's 16
Gepubliceerd op 01-11-2017
Taal Engels

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 C967.

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

Determination of Arsenic

27

Carbonate by CO2 Gravimetry

28 to 34

Fluoride by Ion-Selective Electrode

35 to 42

Halides by Volhard Titration

43 to 50

Phosphorus by Spectrophotometry

52 to 60

Determination of Silicon

61

Determination of Thorium

62

Calcium, Iron, Magnesium, Molybdenum, Titanium, and Vana-
 dium by Atomic Absorption Spectrophotometry


63 to 72

Potassium and Sodium by Atomic Absorption
  Spectrophotometry


73 to 82

Boron by Spectrophotometry

83 to 92

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. A specific precautionary statement is given in Section 7.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Details

ICS-code 27.120.30
Engelse titel Standard Test Methods for Chemical and Atomic Absorption Analysis of Uranium-Ore Concentrate
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