The Standard HG/T 2321-2016 Amendment for Industrial Norms - Chemical Industry, released on January 1, 2016, pertains to the specification of fertilizer grade potassium dihydrogen phosphate. This amendment updates and refines the guidelines established in the second edition of the original standard. It aims at enhancing the quality control measures for potassium dihydrogen phosphate (KH₂PO₄) used as a key component in fertilizers. The revision includes stricter criteria on purity, moisture content, and impurity levels to ensure consistency and efficacy when applied in agricultural settings.
The document outlines detailed requirements concerning chemical composition analysis methodologies, packaging instructions, labeling guidelines, and transportation regulations. These provisions are crucial for maintaining high standards of product safety and environmental responsibility throughout the supply chain from manufacturing plants to end-users.
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