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ASTM E1898-97

Заменен
Standard Test Method for Determination of Silver in Copper Concentrates by Flame Atomic Absorption Spectrometry — 5 стр.
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>

ICS
71.040.50 Physicochemical. Including spectrophotometric and chromatographic analysis / Физико-химические методы анализа. Включая спектрофотометрический и хроматографический анализы
Сборник ASTM
03.05 Analytical Chemistry for Metals, Ores, and Related Materials / Аналитическая химия для металлов, руд и сопутствующих материалов: с E32 и далее
Тематика
Analytical Chemistry