水质氯化氢(标样)  Water quality hydrogen chloride (standard sample)  20mL  

水质氯化氢标样  Water quality standard sample of hydrogen chloride  20mL  

氯化氢标准溶液  Hydrogen chloride standard solution  50mL  

氟、氯、溴、硝酸根、硫酸根5种阴离子混合标准溶液  Fluorine, chlorine, bromine, nitrate, sulfate 5 anionic mixed standard solution  50mL  

氟、氯、溴、硝酸根、硫酸根5种阴离子混合标准溶液  Fluorine, chlorine, bromine, nitrate, sulfate 5 anionic mixed standard solution  50mL  

水中亚硝酸盐氮成分分析标准物质  Water nitrite nitrogen component analysis standard material  20mL  

磷酸氢根溶液标准物质  Hydrogen phosphate solution reference material  50mL  

氟标准溶液  Fluorine standard solution  50mL  

氯离子(氯化物)标准溶液  Chloride ion (chloride) standard solution  100mL  

总有机碳溶液标准物质  Total organic carbon solution reference material  50mL