Ammonium Chloride

‌1. Industrial Applications‌

• ‌Electroplating‌: Used in zinc/nickel/copper/silver plating baths and metal surface pretreatment78

• ‌Batteries‌: Key electrolyte in dry cells (zinc-carbon/alkaline types)68

• ‌Metallurgy‌:
  • Flux for soldering/welding (removes metal oxides)56
  • Extracting rare metals (e.g., platinum, vanadium)56

• ‌Textiles & Leather‌: Dyeing auxiliary and tanning agent810

‌2. Agricultural Use‌

• ‌Fertilizer‌: Fast-acting nitrogen source (24-26% N) for crops like rice/wheat, though may acidify soil56

‌3. Pharmaceutical & Medical‌

• ‌Expectorant‌: Stimulates mucus secretion to relieve cough (oral/injectable formulations)36

• ‌Acidifier‌: Corrects metabolic alkalosis (intravenous use after dilution)312

‌4. Food & Analytical Chemistry‌

• ‌Food Additive‌: Yeast nutrient and dough conditioner (food-grade purity)510

• ‌Lab Reagent‌:
  • pH buffer component (e.g., ammonia-ammonium buffer)5
  • Interference inhibitor in spectroscopy6