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
棕色碱式滴定管
COLUMN PREFILTER, CPI FITTING,0.5UM, EA
漏斗,硅硼玻璃33,外径55mm,管径 8mm,管长 55mm
丙酰氯
MEASURING SCOOP, 1000 ml
DROPPING FUNNELS, CYLINDRICAL, WITH PRESSURE EQUALIZING GRADUATED, NEEDLE VALVE-STOPCOCK, W. PTF
异辛烷中六氯苯溶液标准物质
(29-1)Cu铜标液
刻度试管 20ml
二硫化碳中甲酸甲酯溶液标准物质