ASTM International

Standard Test Method for Determination of Silver in Copper Concentrates by Flame Atomic Absorption Spectrometry
 N E1898

Annotation

This test method covers the determination of silver in the range of 13 g/g to 500 g/g by acid dissolution of the silver and measurement by atomic absorption spectrometry. Copper concentrates are internationally traded within the following content ranges:

The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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.

Автоматический перевод:

Метод стандартной пробы для определения серебра в концентратах меди спектрометрией атомного поглощения пламени

Этот метод испытаний покрывает определение серебра в диапазоне 13 g/g к 500 g/g кислотным роспуском серебра и измерением атомно-абсорбционной спектрометрией. Концентраты меди на международном уровне проданы в следующих диапазонах содержания: