Products Supplements and chemical reagents Kits reagents Reagent kit for the detection of nitrites. D-027 Reagent kit for the detection of nitrites. D-027 Categories Kits reagents Product description catalogue number: D-027 The set contains: • 5-amino-2-naphthylene sulphonic acid – 1g • Sulfanilic acid – 4g • Zinc powder – 10g Pack size: 1 set