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KMID : 0383919700070000223
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Report of National Institute of Health
1970 Volume.7 No. 0 p.223 ~ p.226
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Studies on the determination of available componentsin the topical preparation Determination of p-phenylenediamine
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Abstract
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p-Phenylenediamine has been sold in the market and it is widly used for dyeing furs, but the dtermination methods of p-phenylenediamine proved to be by the method of ferric chloride and feeocyanate.
There fore the author has been determined p-phenylenediamine by Spectrophotometry with acetyl-p-phenylenediamine in ethanol.
1) It is precipitation that Acety-p-phenylenediamine react with p-phenylenediamine and acetic anhydride in absoulte acetone.
2) The wave length of maximum absorption of acetyl-p-phenylenediamine was 262 ??.
3) Limits of measurement of acetyl-p-phenylenediamine was 1.5~4.5mcg/ml.
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