如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
Br-离子复合电极 1.0—5×10-6M; 79,900—0.40ppm 9135
SQUARE BOTTLES, NARROW NECK, WITH ISO/DIN-THREAD, AMBER GLAS, DURAN
盐酸达克罗宁
乙腈种甲霜灵溶液
气相配件 Needle support insert,standard,7693
硫酸钙二水合物
SAFETY CLAMPS, DADE OF SHEET BRASS, THUMB-SCREW, O.D. 17-19 MM
SULFONATION FLASKS, 750 ML WITH 4 SIDE NECKS, CN ST 45/40, SN ST 29/32
1,10-菲罗啉(无水)
25种ICP-MS元素混标 标准品