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
PP粉剂漏斗,外径60 mm,管长19 mm
1000mL英霍夫管/沉降管,刻度,无活塞
5种阴离子混标,Sulfate/Chloride/Bromide/Nitrate(as N)/Fluoride,溶于 H2O
Tetraethylene Glycol Bis(3-mercaptopropionate)
DENSITY-HYDROMETERS,0.060| RANGE, RANGE : 1.480-1.540 : 0.001 G/CM3
SHODEX OHPAK SB-G GUARD COLUMN
铅标样
5-溴-2,3-二氟苯甲醚
偶氮苯
100mg砝码(F1级别),带精度声明