库伦法卡尔费休试剂阴极液(有隔膜, 无吡啶)，1.5 g H2O/100mL, 5 mL/支 × 10

Catholyte for coulometric Karl Fischer titration(suitable for cells with diaphragm, pyridine-free titrating agent), 1.5 g H2O/100mL, 5 mL /piece × 10