Water Soluble Fertilizer Testing
Applicable scenarios: raw material acceptance, production process quality control, finished product factory inspection, market supervision spot check, e-commerce platform entry testing, fertilizer efficiency verification, water fertilizer integration compatibility testing, environmental compliance audit, arbitration testing.
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Detection range
(1) Product types: water-soluble fertilizers with large amounts of elements, water-soluble fertilizers with medium amounts of elements, water-soluble fertilizers with trace elements, water-soluble fertilizers with humic acid, water-soluble fertilizers with amino acids, organic water-soluble fertilizers, compound water-soluble fertilizers, functional water-soluble fertilizers (including alginate, peptides, etc.), liquid water-soluble fertilizers, and solid water-soluble fertilizers (powder/granules).
(2) Applicable scenarios: raw material acceptance, production process quality control, finished product factory inspection, market supervision spot check, e-commerce platform entry testing, fertilizer efficiency verification, water fertilizer integration compatibility testing, environmental compliance audit, arbitration testing.
Testing items
(1) Basic physical and chemical indicators
Appearance, moisture (free water), pH value, water-insoluble content, density (liquid), particle size (solid), solubility, conductivity (EC value), storage stability.
(2) A large number of elemental indicators
Total nitrogen (N), available phosphorus pentoxide (P ₂ O ₅), potassium oxide (K ₂ O) content, single major element content, total major element content, ammonium nitrogen, nitrate nitrogen, amide nitrogen content.
(3) Medium Element Index
Water soluble calcium (CaO), magnesium (MgO), sulfur (S) content, and total amount of intermediate elements.
(4) Trace element indicators
Water soluble copper, iron, manganese, zinc, boron, molybdenum content, single trace element content, total trace element content, chelated trace element content.
(5) Functional component indicators
Humic acid content, amino acid content
Alginate content, peptide content, ammonium polyphosphate content (as needed), organic matter content (organic water-soluble fertilizer).
(6) Limit of harmful substances
Heavy metals: lead, cadmium, mercury, arsenic, chromium (hexavalent/total chromium)
Other harmful substances: chloride ions, sodium ions, nitrate, nitrite, urea, fluoride, insoluble substances, pathogenic bacteria (organic/biological).
(7) Microbial indicators (organic/biological type)
Effective viable bacterial count, mold and yeast count, coliform bacteria, Salmonella, and Staphylococcus aureus.
Testing standards
GB/T 6274 Fertilizer Terminology and Definitions
GB/T 6275 Fertilizer Sampling Procedure
GB/T 8571 Preparation of laboratory samples of compound fertilizers
GB/T 34765 General Requirements for Water soluble Fertilizers
GB 38400 Limits for Toxic and Harmful Substances in Fertilizers
NY/T 1107 Large Element Water soluble Fertilizer
NY 2266 Medium Element Water soluble Fertilizer
NY/T 1428 Trace Element Water soluble Fertilizer
NY/T 1106 Water soluble Fertilizer Containing Humic Acid
NY/T 1429 Amino Acid Water soluble Fertilizer
NY/T 3831 Organic Water soluble Fertilizer
NY/T 1973 Determination of Insoluble Matter Content and pH in Water soluble Fertilizers
NY/T 1974 Determination of Copper, Iron, Manganese, Zinc, Boron, and Molybdenum Content in Water soluble Fertilizers
NY/T 1977 Determination of Total Nitrogen, Phosphorus, and Potassium Content in Water soluble Fertilizers
NY/T 1117 Determination of Calcium, Magnesium, Sulfur, and Chlorine Content in Water soluble Fertilizers
NY/T 1971 Determination of Humic Acid Content in Water soluble Fertilizers
GB/T 8576 Determination of free water content in water-soluble fertilizers Vacuum oven method
was established in 2011. As a national high-tech enterprise recognized by the Zhejiang Provincial Higher People's Court as a judicial authentication institution for construction engineering quality, we specialize in structural performance testing and safety assessment of construction projects, special equipment, communication towers, electromagnetic environments, large bridges, and building safety appraisal.
The company has more than 100 professional and technical personnel, over 90% of whom hold various medium and senior technical certificates. Equipped with complete testing equipment worth over RMB 10 million, our business scope covers the whole country.
