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Silicon. Determination of aluminium content from 0,01 % to 0,5 %
Silicon. Determination of aluminium content 0,5 % to 2,5 %
Decision not to withdraw Standard
Nickel. Photometric methods for the determination of arsenic content
Nickel. Photometric method for the determination of phosphorus content
Nickel. Photometric and atomic absorption method for the determination of cobalt content