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Physico-Chemical Testing

Vipragen can conduct full range of the Physicochemical properties testing for various sectors like food and packaging, Agrochemical and industrial chemical products, manufactured and finished goods testing, etc. Vipragen will focus on new product registration under various Bio-pesticide, insecticide boards to conduct testing under GLP as per the regulatory requirement. Agro Physicochem packages available for product registration for any regulatory submission across the globe.

Physico-Chemical Testing services include:

  • Appearance
  • UV-VIS Absorption Spectra (Spectrophotometric Method)
  • Melting Point / Melting Range
  • Boiling Point
  • Vapour pressure
  • Water solubility
  • Partition Coefficient (n-octanol/water): Shake Flask Method
  • Density of Liquids and solids
  • Hydrolysis as a function of pH
  • Phototransformation of Chemicals in Water – Direct Photolysis
  • “Dissociation Constants in Water”
  • (Titration Method – Spectrophotometric Method
  • Conductometric Method)
  • Viscosity of Liquids
  • Surface Tension of Aqueous Solutions
  • Partition Coefficient (n-octanol.water)
  • HPLC Method
  • Determination of pH
  • Acidity and Alkalinity
  • Partition Coefficient (1-Octanol/Water): Slow-Stirring Method
  • Stability to Normal and Elevated Temperatures
  • Metals and Metal Ions
  • Storage Stability
  • Miscibility
  • Corrosion Characteristics
  • Water (moisture determination) by Karl Fischer method using pyridine free reagents
  • Low temp stability of liquid formulations
  • Accelerated storage procedure
  • Pourability of suspension concentrates
  • Wet sieving using recycled water
  • The use of the agrochemical emulsion tester for the determination of the stability of dilute emulsions
  • Material soluble in acetone
  • Material soluble in hexane
  • Material soluble in ethanol
  • Material insoluble in kerosene
  • Material soluble in water
  • Material insoluble in water
  • Material insoluble in xylene
  • Flash point
  • Suspensibility of wettable powders in water
  • Material insoluble in dichlorodifluoromethane
  • Loss in weight
  • Miscibility with hydrocarbon oil
  • Material insoluble in acetone
  • Sulfated ash
  • Free acidity or alkalinity
  • Determination of conductivity
  • Oil insoluble material
  • Emulsion characteristics of emulsifiable concentrates
  • Stability of liquid formulations at 0°C
  • Dilution stability of herbicide aqueous solutions
  • Dilution stability of aqueous solutions
  • Persistent foaming
  • Wettability
  • Dust content and apparent density of granular pesticide formulations
  • Pour and tap bulk density of granular materials
  • Spontaneity of dispersion of suspension concentrates
  • Suspensibility of aqueous suspension concentrates
  • Tap density of water dispersible granules
  • Dry sieve analysis of water dispersible granules
  • Dustiness of granular products
  • Dissolution rate of water soluble bags
  • Suspensibility of water dispersible powders (Simplified method)
  • Attrition resistance of granules
  • Dissolution degree and solution stability
  • Dispersion stability of suspo-emulsions
  • Solubility in organic solvents
  • Suspensibility of formulations forming suspensions on dilution with water
  • Dry sieve test
  • Wet sieve test
  • Flammability (solids)
  • Explosive properties
  • Auto-ignition temperature (liquids and gases)
  • Relative self-ignition temperature for solids
  • Oxidizing properties (solids)
  • Flowability of water dispersible granules after heat test under pressure
  • Test methods for corrosion to metals
  • Disintegration of tablets
  • Friability of tablets and Attrition of tablets (revised method)
  • Dispersibility of water dispersible granules
  • Freezing point
  • Tap density
  • bulk (pour density)
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