说明:铬标准溶液,50mg/L,100mL
保质期(天):150
分析方法:铬8023 0-1.00mg/L Cr6 +铬,六价8023-0.010-0.700mg/L Cr6 +铬,六价10218 0.03-1.00mg/L Cr铬,总计10219 0.03-1.00mg/L Cr铬酸盐8211 20 -400mg/L CrO???铬,六价8023 0.01-0.60mg/L