Область применения

1.1 This test method covers the determination of silver in the range of 50 g/g to 1000 g/g by acid dissolution of the silver and measurement by atomic absorption spectrophotometry. Copper concentrates are internationally traded within the following concentration ranges:

ElementUnit Concentration RangeAluminum%0.05to 2.50Antimony%0.0001to 4.50Arsenic%0.01to 0.50Barium%0.003to 0.10Bismuth%0.001to 0.16Cadmium%0.0005to 0.04Calcium%0.05to 4.00Carbon %0.10to 0.90Chlorine%0.001to 0.006Chromium%0.0001to 0.10Cobalt%0.0005to 0.20Copper%10.0to 44.0Fluorine%0.001to 0.10Gold g/g1.40to100.0Iron %12.0to30.0Lead %0.01to1.40Magnesium%0.02to 2.00Manganese%0.009to 0.10Mercuryg/g0.05to 50.0Molybdenum% 0.002to 0.25Nickel%0.0001to 0.08Silicon%0.40to 20.0Silverg/g18.0to 8000Sulfur%10.0to 36.0Tin %0.004to0.012Zinc %0.005to4.30

1.2 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 its use./p>