Home / Products / Hach lab equipment and reagents / Hach Color Standard Solution, 500 Pt Co Units, 1 L SKU: 141453 Hach Color Standard Solution, 500 Pt Co Units, 1 L SKU: 141453$266.40 Hach Color Standard Solution, 500 Pt Co Units, 1 L SKU: 141453 quantity Add to cart WhatsApp now Description Description For accuracy checks in Color determinations. 500 platinum-cobalt units. 1 liter bottle. Related products Hach Ammonia (Nitrogen) Test Strips, 0-6.0 mg/L SKU: 2755325 $31.66 Hach Amino Acid F Reagent Powder Pillows, 10 mL, pk/100 SKU: 2254069 $31.30 Hach Acetone, 500 mL SKU: 1442949 $63.82 2100Q Portable Turbidimeter Kit (EPA), 0-1000 NTU, with USB and Power Module $3,525.00