HACH SpecCheck Gel secondary standard Kit, LR chlorine, DPD, 0-2.0 mg/L Cl₂

Used to confirm consistent instrument response. Ready-to-use SpecCheck Secondary Standards Kits include four, 10 mL (1 inch) sealed glass cells with a blank and three different standards within the testing range of 0-2.0 mg/L Cl2, instructions, plastic case and Certificate of Analysis. Vials are filled with gels that simulate the test color at various concentrations. SpecCheck Standards are computer-formulated and have a two-year shelf life from date of manufacture Technical Attributes Concentration 0 - 2.0 mg/L Cl₂ Instrument Includes values for all instruments Method DPD Parameter Chlorine Quantity Set of 4 Vials Sku: 2635300