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
4种元素ICP-MS混标,溶于3% HCl + 1% HNO3
Phenoxazine
Insert联排内嵌小室,9 mm,PC膜,3.0μm
甲基苯基硫醚
BDS-HYPERSIL-C8 5UM 300X4.6MM COLUMN
固相萃取
Finnpipette Novus 100-1000 μl 单道电动移液器, 含通用型插头充电器, CE 认证
ASTM D5769 Aromatics in Finished Gasoline Cal. Std. #6 w/ IS, (RM, ISO GUIDE 34)标准品
2.1x20mm Retain PEP
o-Nitroacetophenone