Hach Chloride Standard Solution, 1000 mg/L, 500 mLChloride Standard Solution, 1000 mg L, 500 mL Ion Selective Electrode (ISE) standard solutions for laboratory analyses ISE Standard Solution. Chloride, 1000 mg L 10 mg L Cl (NIST). 500 mL bottle Specifications Technical Attributes Concentration 0. 02820 mol L 0. 00028 mol L Concentration 1000 mg L 10 mg L Cl Description Chloride Standard Solution as Cl (NIST) Package Type Bottle Parameter Chloride Platform Solution Quantity 500 mL Special remarks