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ASTM E314-10(2015)e1

Заменен
Standard Test Methods for Determination of Manganese in Iron Ores by Pyrophosphate (Potentiometric) and Periodate (Spectrophotometric) Techniques — 6 стр.
Значение и использование

4.1 This test method is intended to be used for compliance with compositional specifications for manganese content in iron ores, concentrates, and agglomerates. It is assumed that all who use these procedures will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory and that proper waste disposal procedures will be followed. Appropriate quality control practices must be followed such as those described in Guide E882.

Область применения

1.1 These test methods cover the determination of manganese in iron ores, concentrates, and agglomerates. The following two test methods are included:

 

Sections

 Test Method A (Pyrophosphate (Potentiometric))

8 – 15

 Test Method B (Periodate (Photometric))

16 – 22

1.2 Test Method A covers the determination of manganese in the range from 2.5 % to 15.0 %. Test Method  B covers the determination of manganese in the range of 0.01 % to 5.00 %.

Note 1: The lower limit for this test method is set at 50 % relative error for the lowest grade material tested in the interlaboratory study in accordance with Practice E1601.

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

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 and health practices and determine the applicability of regulatory limitations prior to use.

ICS
73.060.10 Iron ores / Железные руды
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