| 分子式 |
硫酸钾
编号:R018704 CAS号:7778-80-5 规格:500g 浓度:AR,99%
柠檬酸镁九水合物检测标准品
编号:NIQI-7549 CAS号:153531-96-5 规格:250mg 浓度:98.3%
硫酸铁(III)铵
编号:R049398-500g CAS号:10138-04-2 规格:500g 浓度:98%
四庚基溴化铵
编号:B31119-25g CAS号:4368-51-8 规格:25g 浓度:≥99.0%
碘化钾
编号:B30665-500g CAS号:7681-11-0 规格:500g 浓度:GR
碘化钾
编号:C30665-100g CAS号:7681-11-0 规格:100g 浓度:PT