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Physical Chemical Property Testing
Physical Chemical Property Testing
When it comes to determining physical-chemical qualities, each chemical presents a unique set of challenges. Planning the testing techniques for some of the more difficult test items necessitates a high level of expertise and experience. Mavens has extensive experience assessing the physical-chemical properties of a variety of chemicals, including agrochemicals, industrial & specialty chemicals, and agrochemicals.
Below are the list of physical-chemical property tests offered:
- Test item characterization by appearance, purity analysis, IR, NMR, and Mass Spectra
- Method development and validation for active ingredient analysis in technical grade and formulated products
- Physical and chemical properties of technical grade materials include:
- Appearance
- Active ingredient content (including method development and validation)
- Color, odor, and physical state
- UV-VIS absorption spectra
- Melting point & Boiling point
- Water solubility
- Solubility in six organic solvents
- Dissociation constant(s)
- Hydrolysis as a function of pH
- Partition coefficient
- Vapor pressure
- Relative density/density/specific gravity
- Accelerated storage stability
- Flammability (solids)
- Flashpoint (liquids)
- pH
- Moisture content
- Loss on drying
- Oxidation/reduction: Chemical incompatibility
- Corrosivity
- Long-term storage stability with corrosion characteristics
- Aqueous direct photolysis
- Surface tension
- Explosive properties
- Acidity/alkalinity
- Oxidizing properties
Physical and chemical properties of various types of formulated products viz., Water Dispersible Granules (WG) (including blends), Suspension Concentrates (SC), Wettable Powders (WP), Soluble Concentrates (SL), Emulsions in oil/ Water (EW), Emulsifiable Concentrates (EC), Aqueous Suspo-emulsions (SE), Aqueous Capsule Suspensions (CS), Tablets for direct application (DT), Granules (GR), Micro Emulsions (ME), Mixed Formulations of CS and SC (ZC), etc. (studies specific to formulation types would be conducted).
- Storage stability studies (Accelerated, Real-time and Multi-location)
- Physical and chemical properties of various types of formulated products include the following:
- Active ingredient content (including method development and validation)
- Appearance
- Explosive properties
- Flashpoint
- Relative self-ignition
- Oxidizing properties
- Flammability
- Acidity/Alkalinity/pH
- Bulk density
- Wet sieve
- Dust content
- Friability & attrition characteristics
- Flowability
- Packaging stability
- Suspensibility
- Persistent foam
- Emulsion properties
- Wettability
- Degree of dispersion
- Dispersion stability
- Corrosivity
- Viscosity
- Surface tension
- Spontaneity of dispersion
- Dispersion stability
- The dissolution rate of water-soluble bags