In the agricultural capital market, there are a number of fertilizer products known as “diammoniumâ€, such as “polypeptide diammonium phosphate,†“urea formaldehyde diammonium,†“diammonium nitrophosphate,†“triammonium phosphate,†and “organic-organic. Ammonium, etc., are dazzling and difficult to distinguish.
How do you say "polypeptide diammonium phosphate" and "urea formaldehyde diammonium"? Baidu search, did not find relevant information. "Triammonium phosphate" is a chemical raw material rather than a fertilizer, but some companies have added some potassium or some potassium-containing raw materials on the basis of diammonium phosphate, and DAP has transformed into "triammonium phosphate." What's more, it produced "organic inorganic diammonium" products. The chemical fertilizer bags are marked with NPK content 64%, organic matter content 30%, humic acid content 40%, trace element content 20%, etc. Diammonium is good. In fact, this fertilizer belongs to the product of Zhang Guan and Li Dai, but it is a product of organic fertilizer and diammonium. In the name of the dealer, the author contacted a representative of the company that sold the product and asked if the content could meet the standard. The company representative told me that a bag of 50 kg of diammonium was used, of which 25 kg was diammonium with a content of 64%. 25 kg is organic fertilizer. If the particles are separated during the assay, the monoammonium diammonium content is qualified. If the mixture is tested, it is unqualified. Then ask the country whether there is such a fertilizer standard. The enterprise representative said that it is a corporate standard and the internal standards set by the enterprise, and that it is qualified if it is qualified.
Qualified diammonium phosphate shall be marked on the packaging bag with fertilizer name, trade mark, specification grade, net content, nutrient content, manufacturer address, telephone and lot number, and implementation standards.
The illustration of the product packaging label is "Diammonium Phosphate" and the implementation standard is Q/CGYZ004-2006, which is an enterprise standard. The content of phosphorus is only 12%, which is far below the national compulsory standards for diammonium phosphate (GB10205-2009, The minimum requirement for phosphorus content of qualified products is 39%), and the name does not meet the requirements of the national standard. It is marked with the words "U.S. technology" and is misleading. It is a fake "diammonium phosphate."
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