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8种苯系物混标(GBT 11890-1989)
BULBS (TEATS), MADE FROM RED NATURAL RUBBER, FOR PIPETTES, 15 ML
棉隆标准品
TEST TUBE SUPPORTS, POLISHED HARDWOOD, 200X290 MM, DEPTH: 90 MM, OPENINGS: 12
SPME PERFORMANCE EVALUATION MIX, 3X1ML,
Glycidol-d5
水银温度计30CM
套装 顶空 样品瓶 /旋盖/钳口盖-未组装 500 20ML R
不分流衬管,5个/包(Agilent/Finnigan9001/Varian1177)
醋酸镧