Home / Products / Hach lab equipment and reagents / Hach Sodium Hydroxide Standard Solution, 4.5 N, 1 L SKU: 204053 Hach Sodium Hydroxide Standard Solution, 4.5 N, 1 L SKU: 204053$36.58 Hach Sodium Hydroxide Standard Solution, 4.5 N, 1 L SKU: 204053 quantity Add to cart WhatsApp now Description Description For volatile acids determination by the esterification method. Related products DRB200 Digital Reactor Block: 21 x 16 mm vial wells, 4 x 20 mm vial wells, 230 VAC $3,230.00 CHEMetrics K-7365 COD Vials Kit Range: 0-1500 ppm (HR) $229.00 Hach Nickel 2 Reagent Powder Pillows, pk/25 SKU: 212468 $50.34 Hach Chlorine Dioxide Color Disc Test Kit, Model CLD-2 SKU: 2842800 $134.40