Home / Products / Hach lab equipment and reagents / Hach Nitrogen-Ammonia Standard Solution, 50 mg/L as NH3-N, pk/20 – 2 mL PourRite™ Ampules SKU: 1479120 Hach Nitrogen-Ammonia Standard Solution, 50 mg/L as NH3-N, pk/20 – 2 mL PourRite™ Ampules SKU: 1479120$70.74 Hach Nitrogen-Ammonia Standard Solution, 50 mg/L as NH3-N, pk/20 - 2 mL PourRite™ Ampules SKU: 1479120 quantity Add to cart WhatsApp now Description Description For accuracy checks in ammonia nitrogen determinations Simple Accuracy Checks Minimize waste Reliable results Related products Hach Acetone, 500 mL SKU: 1442949 $63.82 Hach Acid Reagent Powder Pillows for HR Silica, 10-mL, pk/100 SKU: 2107469 $44.34 Hach Ammonia Salicylate Reagent Powder Pillows, 10 mL, pk/100 SKU: 2653299 $107.34 Hach Amino Acid F Reagent Powder Pillows, 10 mL, pk/100 SKU: 2254069 $31.30