氨氮标准溶液  Ammonia nitrogen standard solution  50mL  

水中乙酸溶液标准物质  Acetic acid solution in water reference material  5mL  

碳酸钠溶液标准物质  Sodium carbonate solution reference material  100mL  

磷酸盐(磷酸根)溶液标准物质  Phosphate (phosphate) solution reference material  50mL  

亚硫酸盐(亚硫酸根)溶液标准物质  Sulfite (sulfite) solution reference material  50mL  

总有机碳标准溶液(蔗糖)  Total organic carbon standard solution (sucrose)  50mL  

水中高氯酸盐质控样  Perchlorate quality control sample in water  20mL  

氟离子、氯离子、溴离子、亚硝酸根、硝酸根、磷酸根、亚硫酸根、硫酸根8种阴离子混合溶液标准物质  Fluoride ion, chloride ion, bromine ion, nitrite, nitric acid, phosphoric acid, sulfite, sulfate 8 kinds of anionic mixed solution standard material  50mL*2  

海水中氨氮溶液标准物质  Reference material for ammonia nitrogen solution in seawater  50mL  

质控样-溶解性总固体  Quality control sample - dissolved total solids  500mL