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pH 4.30柠檬酸钠缓冲溶液
8-苯氨基-1-萘磺酸 铵盐 水合物
速灭灵-D6 标准品
4-氯-2-甲基巯基嘧啶
DB-17毛细管柱
钇原子吸收标准物质 1000 μg/mL in 2-5% Nitric acid
培养皿(钠钙)
STANDARD THERMOETER,ENCL.SCALE,BLUE RE- FLECTING,OPAL GLASS SCALE,DIFFICO-GRAD. MERCURY-FILLING,
VERSAPAK ADAPTERS 40MM FOR ISCO FIXED &
LABORATORY TUBE CONNECTORS, PVDF, GL 25, DN 08/10