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- [6] SPECTROPHOTOMETRIC DETERMINATION OF SMALL AMOUNTS OF ANTHRAQUINONE IN ANTHRACENE JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1976, 31 (06): : 995 - 996
- [8] SPECTROPHOTOMETRIC DETERMINATION OF SMALL AMOUNTS OF MERCURY IN COPPER JAPAN ANALYST, 1972, 21 (07): : 925 - &