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砷(As)ICP-MS标准溶液,10000mg/L±0.3%溶于15% HCl
气相色谱柱,TRACE TR-WaxMS 气相柱, 30m, 0.32mmID, 1μm 液膜厚度
4-氟-3-甲基苯甲酰氯
KECK SUCTION CONNECTORS, AS M8, COMPLETE WITH TUBING PARTS 9 MM
苦参碱 标准品
1G砝码,F2级别,符合OIML标准
Spoon spatulas, length: 235 mm, spatula: 50 x 10 mm, spoon: 38 x 17 mm, stainless steel
液相进样针(10ml)
MH琼脂培养基平板9cm(2-25℃)
Retort clamp, stainless steel, length 150 mm, opening up to ? 60 mm, with angular/plate jaws, cork lined