Formulations (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Flashcards
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Definition of a formulation
Definition of a formulation
A carefully designed mixture made for a specific purpose
Why exact amounts are used in formulations
Why exact amounts are used in formulations
To ensure the final product has the right properties
Risk if ingredient added in wrong amount
Risk if ingredient added in wrong amount
Product might not work as intended or could become unsafe
Example of a formulation
Example of a formulation
Paint
Role of pigment in paint
Role of pigment in paint
Gives the paint its colour
Most pigments are made from
Most pigments are made from
Metal oxides
Metal oxide used in white paints
Metal oxide used in white paints
Titanium oxide
Role of solvent in paint
Role of solvent in paint
Dissolves ingredients and controls thickness (viscosity)
What happens to solvent after paint is applied
What happens to solvent after paint is applied
It evaporates
Role of binder in paint
Role of binder in paint
Makes the pigment stick to the surface
Role of additives in paint
Role of additives in paint
Give special features (glossy, matte, glow in dark)
Why medicines are formulated
Why medicines are formulated
To ensure they're safe and effective
Why metal alloys are formulations
Why metal alloys are formulations
Stronger or more durable than individual metals
Purpose of formulation in drinks
Purpose of formulation in drinks
Create right taste, texture, and shelf life