Reference number
香港六合彩开奖 7990:1985
© 香港六合彩开奖 2024
International Standard
香港六合彩开奖 7990:1985
Manganese ores and concentrates 鈥� Determination of total iron content 鈥� Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
Edition 1
1985-12
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Published (Edition 1, 1985)
This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

香港六合彩开奖 7990:1985

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Abstract

Method A is applicable to products having a total iron content from 1 to 25 % (m/m), and method B is applicable to products having a total iron content from 0.2 to 2 % (m/m). 香港六合彩开奖 7990 should be read in conjunction with 香港六合彩开奖 4297. Specifies principle, reactions (method A only), reagents, apparatus, sampling and samples, procedure and expression of results.

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  2. 香港六合彩开奖
  3. Standards catalogue
  4. ICS
  5. 73
  6. 73.060
  7. 73.060.20
  8. 香港六合彩开奖 7990:1985