Biology A-Level
Colorimetry and calibration
What Colorimetry and calibration means in Biology A-Level, as defined for OCR.
Definition of Colorimetry and calibration
Check what you remember
Read the wording for your board, then hide it and explain Colorimetry and calibration in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A colorimeter records the absorbance or transmission of light through a coloured solution and is calibrated with a blank or distilled water before use, with a suitable filter selected.
Topics that use Colorimetry and calibration
- Use of apparatus and techniques (OCR A-Level)
Related terms
- Accuracy of observation transferred to paper
- Accurate reading of scales and menisci
- Annotation as recorded evidence
- Apparatus selection
- Calibration of the eyepiece graticule
- Clarity and convention in biological drawing
- Computer modelling
- Control of variables
Using Colorimetry and calibration in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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