T/JSAS 036-2023 Biological organic nutrient solution (base liquid)

Scope

Scope: This document specifies the requirements, test methods, inspection rules, packaging, transportation, storage, and shelf life of biological organic nutrient solutions (base solutions). This document applies to the production, sale, and inspection of biological organic nutrient solutions (base solutions). Main technical contents: Item Standard Organic matter content/ (g/L) ≥200 Total nutrients (N + P2O5 + K2O) content/ (g/L) ≥100 Water-insoluble matter content/ (g/L) ≤50 Chloride ion content/ (g/L) ≤20 4.3 Limiting indicators The limits of mercury, arsenic, cadmium, lead, and chromium shall comply with the requirements of NY 1110. 5 Test methods 5.1 Visual inspection of appearance. 5.2 Determination of organic matter content shall be conducted in accordance with the provisions of NY/T 1976. 5.3 Determination of total nitrogen content shall be conducted in accordance with the provisions of NY/T 1977. 5.4 Determination of phosphorus content shall be conducted in accordance with the provisions of NY/T 1977. 5.5 Determination of potassium content shall be conducted in accordance with the provisions of NY/T 1977. 5.6 Determination of water-insoluble matter content shall be conducted in accordance with the provisions of NY/T 1973. 5.7 Determination of chloride ion content shall be conducted in accordance with the provisions of NY/T 1117. 5.8 Determination of mercury, arsenic, cadmium, lead, and chromium content shall be conducted in accordance with the provisions of NY/T 1978. 6 Inspection rules 6.1 Inspection categories and inspection items 6.1.1 Product inspection is divided into factory inspection and type inspection. 6.1.2 Factory inspection shall be conducted by the enterprise's quality supervision department, and the production enterprise shall ensure that every batch of products leaving the factory meets the requirements of this document.

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