BS 5688-28:1986
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF
12-01-2011
English
07-31-1986
Describes a flame atomic absorption spectrometric method for the determination of total and alkali soluble calcium and magnesium contents of crude sodium borates for industrial use. Applicable to products in which the calcium content, expressed as calcium, is not lower than 0,02% (m/m) and not greater than 1,0% (m/m) and in which the magnesium content, expressed as magnesium, is not lower than 0,01% (m/m) and not greater than 0,2% (m/m).
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