Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
ASTM E342-11(2016)
Năm ban hành 2016
Publication date
Tình trạng
A - Còn hiệu lực
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Tên tiếng Anh
Title in English Standard Test Method for Determination of Chromium Oxide in Chrome Ores by Permanganate Titrimetry
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Chỉ số phân loại Quốc tế (ICS)
By field |
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Số trang
Page 3
Giá:
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Phạm vi áp dụng
Scope of standard 1.1 This test method covers the determination of chromium oxide (Cr2O3) in chrome ores in the compositional range from 25 % to 60 %. Note 1: As used in this test method, “%” refers to a mass fraction (wt/wt %) (g/100g). 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 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.
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