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- [25] COLLABORATIVE STUDY OF ULTRAVIOLET SPECTROPHOTOMETRIC DETERMINATION OF SULFOXIDE IN FORMULATIONS JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1968, 51 (03): : 562 - &
- [26] SPECTROPHOTOMETRIC DETERMINATION OF COLOR INTENSITY OF WHISKY - COLLABORATIVE STUDY JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1982, 65 (02): : 224 - 226
- [27] COLLABORATIVE STUDY OF INFRARED SPECTROPHOTOMETRIC DETERMINATION OF ALDICARB IN FORMULATIONS JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1974, 57 (03): : 642 - 644
- [28] COLLABORATIVE STUDY OF SEPARATION AND SPECTROPHOTOMETRIC DETERMINATION OF ACETYLCARBROMAL AND BROMISOVALUM JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1968, 51 (03): : 621 - &
- [29] COLLABORATIVE STUDY OF A SPECTROPHOTOMETRIC METHOD FOR DETERMINATION OF DIENESTROL IN PHARMACEUTICALS JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1973, 56 (03): : 674 - 676