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红外油份仪用溶液标准物质
7%Nacl胰胨水
L-缬氨酸
1,4-哌嗪二乙磺酸单钠
GRADUATED CYLINDERS, LOW SHAPE, PP, TRANSPARENT, CAPACITY: 25 ML
ASTM-THERMOMETER (SOLID STEM) WITH CELSIUS-SCALE RANGE, YELLOW ENAMELLED ASTM TYPE: FUEL RATING, A
Ismaprene (PharMed?) id 0.64mm (2- collared tubing) 6 lengths
COLLECTING FLASKS, ACC. TO SCHLENCK, ROUND BOTTOM, WITH VALVE STOPCOCK, WITH PTFE-NEEDLE VALVE AS
GRAD.CYLINDERS, 10 ML, DIN-AS, STOPPERED, HEXAGONAL BASE, DURAN-GLASS, CONFORMITY CERTIFIED, BLUE
2-羟基-4-甲氧基二苯甲酮(二苯酮-3)标准溶液 标准品