Potassium Fertilizer Testing
Product types: potassium chloride, potassium sulfate, potassium nitrate, potassium dihydrogen phosphate, kiln ash potassium fertilizer, potassium magnesium fertilizer, plant ash, potassium containing compound fertilizer, water-soluble potassium fertilizer, organic potassium fertilizer.
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Detection range
(1) Product types: potassium chloride, potassium sulfate, potassium nitrate, potassium dihydrogen phosphate, kiln ash potassium fertilizer, potassium magnesium fertilizer, plant ash, potassium containing compound fertilizer, water-soluble potassium fertilizer, organic potassium fertilizer.
(2) Applicable scenarios: raw material acceptance, production quality control, finished product inspection, market supervision spot check, environmental safety testing, fertilizer efficiency evaluation, arbitration testing.
Testing items
(1) Appearance and physical and chemical properties
Appearance, color, odor, particle size, moisture, pH value, solubility, free acid, free alkali, moisture absorption, clumping, bulk density, water-insoluble substances.
(2) Effective nutrient indicators
Potassium oxide (K ₂ O) content, water-soluble potassium content, effective potassium content, and total potassium content.
(3) Sub components and supporting elements
Chloride, sulfate, nitrogen, phosphorus, calcium, magnesium, sodium, and sulfur content.
(4) Limit of harmful substances
Heavy metals: lead, cadmium, mercury, arsenic, chromium
Harmful substances: fluoride, radioactive substances, insoluble substances, pathogens, impurities.
(5) Physical performance
Particle size distribution, uniformity, compressive strength, dispersibility, flowability, and storage stability.
(6) Application performance
Potassium release rate, crop absorption rate, fertilizer efficiency period, lodging tolerance, compatibility with soil and fertilizers.
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 8574 Determination of Potassium Content in Compound Fertilizers
GB/T 3791 Potassium Nitrate
GB/T 6549 Potassium Chloride
GB/T 20406 Potassium Sulfate
GB/T 10511 Potassium dihydrogen phosphate
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
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.
