容量法双组份卡尔费休试剂(无吡啶, B滴定剂)，5.0 mg H2O/mL, 醛酮专用, 无隔膜,与9200839配套使用

Two component reagent for volumetric Karl Fischer titration(pyridine-free titrating agent, component B), 5.0 mg H2O/mL, special for aldehydes and ketones, no diaphragm, used with 9200893