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HYPURITY ADVANCE 5UM 10X4MM DROP-IN GUARDS 4/PK
水中甜蜜素溶液标准物质
3-氨基哒嗪
DURAN? Round bottom flask, wide neck, with beaded rim, without print, 100 ml
Clip for conical ground joints, for NS 19/26-19/38, without tightening screw, made of stainless steel
DB-WAX 气相毛细管柱
TARGET 注射器 固定 聚四氟乙烯 针尖
Micro spatula, length: 130 mm, 40 x 2 mm, with two flat ends, stainless steel
四羟基苯醌二钠盐
气相色谱柱,TG-5MS 15m x 0.53mm x 0.50μm