磷酸二氢根溶液标准物质  Dihydrogen phosphate solution reference material  20mL  

7种阴离子混标(氟、氯、溴、硝酸根、亚硝酸根、磷酸根、硫酸根)  7 anions mixed (fluorine, chlorine, bromine, nitrate, nitrite, phosphoric acid, sulfate)  50mL  

离子色谱(IC)调试溶液  Ion chromatography (IC) debugging solution  100mL  

铬酸盐溶液标准物质  Chromate solution reference material  100mL  

硫化氢标准溶液  Hydrogen sulfide standard solution  20mL  

水中总磷溶液标准物质  Total phosphorus in water solution reference material  20mL  

4种阴离子混标(氟、氯、硫酸根、硝酸根)  4 anions mixed (fluorine, chlorine, sulfate, nitrate)  50mL  

磷化氢标准溶液  Standard solution of phosphine  50mL  

标样-亚硫酸根(tr.EDTA+0.1%甲醛)  Standard sample - Sulfite (tr.EDTA+0.1% formaldehyde)  20mL  

氯酸盐、亚氯酸盐、溴酸盐、二氯乙酸、三氯乙酸5种混合溶液标准物质  Chlorate, chlorite, bromate, dichloroacetic acid, trichloroacetic acid 5 kinds of mixed solution standard material  20mL