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3-氨基-4-氯苯乙酮
双[4-(2-羟基乙氧基)苯基]砜
SINGLE-ELEMENT HOLLOW CATHODE LAMP NON-CODED WITH 50 MM DIA. FOR ATOMIC ABSORBTION SPECTROMETERS (PERKIN ELMER)
手动真空泵
氢氟酸,电子级,49wt. % in H2O,≥99.99998%metals basis
(易制爆)Nitric acid, ca. 65% solution in water, for analysis 500ML
乙酸乙酯
ASTEC CHIROBIOTIC R 5UM 15CM X 4.6MM
2-氟-5-三氟甲基苯甲酸
弹簧(1个/包)