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4-溴苯邻二酚
4’-Hydroxynordiazepam
颜料黄 73 标准品
GL 色谱柱 TC-WAX 0.32mm*20m*0.25um
5-甲基尿苷
滴定溶剂A
APPARATUSES FOR DETERMINATION OF MOLECULAR WEIGTHS, BECKMANN, FOR BOILING METHOD ,COMPLETE
STIRRER SHAFT, 7-8 MM O.D., SUITABLE FOR USE PTFE- STIRRING BLADE, WITH PTFE TOGGLE
GPC HFIP-G 8B HFIP solvent
革兰氏阴性杆菌鉴定系统B GN-MID B