DESCRIPTION OF COURSES

Close

AC 601 AGROCHEMICAL FORMULATION TECHNOLOGY                                  (2L+1P) III

Objective
  To teach general aspects along with latest developments of formulations, chemistry, classification and properties of formulants, machinery and equipment involved in preparation, packaging and labeling and bioefficacy of formulations.

Theory

UNIT I
  Formulation ingredients: active ingredients and carriers/ diluents, surfactants, synergists, safeners, encapsulants, binders, anti-oxidants, stabilizers.

UNIT II
 Formulant-toxicant interactions.

UNIT III
  Preparation, properties, specifications and uses of solid and liquid formulations.

UNIT IV
  Control release formulations: preparation, properties, specifications and uses.

UNIT V
  Hydrogels: preparation, properties, specifications and uses.

UNIT VI
  Equipments and machineries: formulation research. Basic considerations, absorption, penetration, translocation and activity for improvement of bioefficacy, industrial equipments and plants

Practicals
  Laboratory mills/ equipments used in formulation research, Preparation of standard hard water, Determination of acidity of a pesticide, Determination of alkalinity of a pesticide, Preparation of controlled release formulation, Release of active ingredient from CR formulation in soil and water, Preparation of toxicant based creams, Study of solid carriers: Determination of I. Surface acidity by volumetric method, II. Surface area, Study of solid carriers: III. Sorptivity and IV. Particle size, Preparation of dust, wettable powder and granules, Determination of wettability and suspensibilty of wettable powder, Study of liquid carriers I: Flash point and specific gravity, Study of liquid carriers II: Determination of viscosity, Study of surfactants: Micelle formation, Preparation of liquid formulations, Determination of emulsion stability of an emulsifiable concentrate, Application technology : Sprayers.

Suggested Readings