Industry:Usedas the agent in cleaning and grinding industry. Food:Used as the agent of yeast. Pharmaceutical:Used as the nutritioinal agent to make the uric acid. Agriculture:Used as the high effective water soluble fertilizer in fertigatioin,foliar application to provide the high concentrated and effective phosphorus and potassium(52%P/34% K)for plants and as the raw materials of production of fertilizer blends and nutrient solutions. HG/T4511-2013(industry) and GB25560-2010(food)