This standard specifies the automatic amino acid analyzer test method for the determination of polyaspartic acid content in water-soluble fertilizers. This standard is applicable to the determination of organic water-soluble fertilizers with polyaspartic acid as the main component. This standard is also applicable to the determination of nitrogen-containing fertilizers such as polyaspartic acid and macroelement water-soluble fertilizers without nitrate nitrogen.
NY/T 2878-2015 history
2015NY/T 2878-2015 Determination of Polyaspartic Acid Content in Water Soluble Fertilizer