ISO 6793:1981
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
But-2-ene 1,4-diol for industrial use Determination of iodine value
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
23-02-2019
English, French
01-11-1981
A test solution is treated with an excess of acidified potassium bromide-bromate solution in the presence of mercury(II) sulphate. After addition of potassium iodide solution the liberated iodine is titrated with standard volumetric sodium thiosulphate solution.
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