Trace Element Fertilizer Detection
Product types: Single trace element fertilizers (iron, manganese, copper, zinc, boron, molybdenum, chlorine fertilizers, etc.), compound trace element fertilizers, chelated micro fertilizers (EDTA, amino acids, humic acid chelation), water-soluble trace element fertilizers, foliar spraying/base application/drip irrigation micro fertilizers.
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Product Introduction
Detection range
(1) Product types: Single trace element fertilizers (iron, manganese, copper, zinc, boron, molybdenum, chlorine fertilizers, etc.), compound trace element fertilizers, chelated micro fertilizers (EDTA, amino acids, humic acid chelation), water-soluble trace element fertilizers, foliar spraying/base application/drip irrigation micro fertilizers.
(2) Applicable scenarios: raw material acceptance, production quality control, finished product factory inspection, fertilizer efficiency evaluation, agricultural product safety testing, market supervision spot checks, environmental compliance, arbitration testing.
Testing items
(1) Appearance and physical and chemical properties
Appearance, color, odor, condition, moisture, pH value, water-insoluble substances, solubility, dispersibility, density, fineness, uniformity, moisture absorption, clumping, storage stability.
(2) Nutrient content index
Trace elements: copper, iron, manganese, zinc, boron, molybdenum, chlorine content
Water soluble trace element content, chelated trace element content, total trace element content, and trace element ratio.
(3) Large and moderate amounts of elements (compound type)
Nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur content.
(4) Limit of harmful substances
Heavy metals: lead, cadmium, mercury, arsenic, chromium, nickel
Harmful substances: fluoride, nitrate, nitrite, urea, free acids, free bases, pathogens, radioactive substances.
(5) Application performance
Nutrient utilization efficiency, absorption efficiency, compatibility with pesticides/fertilizers, crop safety, stress resistance, and fertilizer efficiency sustainability.
(6) Microbial indicators (organic chelating type)
Effective live bacteria count, mold, yeast, coliform bacteria, Salmonella, pathogenic bacteria.
Testing standards
GB/T 6274 Fertilizer Terminology
GB/T 6275 Fertilizer Sampling
GB/T 8571 Preparation of laboratory samples of compound fertilizers
GB/T 14540 Determination of Copper, Iron, Manganese, Zinc, Boron, and Molybdenum Content in Compound Fertilizers
GB/T 17420 Determination of Trace Elements in Feed Additives (General for Micro fertilizers)
GB 38400 Limits for Toxic and Harmful Substances in Fertilizers
NY/T 1973 Requirements for Mercury, Arsenic, Cadmium, Lead, and Chromium Content in Water soluble Fertilizers
NY/T 1974 Requirements for copper, iron, manganese, zinc, boron, and molybdenum content in water-soluble fertilizers
NY/T 2877 Determination of Alginate Content in Water soluble Fertilizers
NY/T 3176 Determination of Humic Acid Content in Water soluble Fertilizers
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.
