滴定范围:0 to 400 ppm of SO2, 滴定精度:读数的5% ,取样量:50 mL
测定范围:0.0-200.0mg/kg 测量精度:±2%
滴定范围:0 to 400 ppm of SO2,滴定精度:读数的5% , 取样量:50 mL