Join TSR now and get all your revision questions answeredSign up now

Spectrophotometer and wavelengths Watch

    • Thread Starter

    Why is it necessary to zero the spectrophotometer at each wavelength selected?
    • TSR Support Team
    • Very Important Poster
    • PS Reviewer
    • Clearing and Applications Advisor

    So the machine has a blank to reference against. You have to compare like with like and the only difference between your control and sample should be what you're measuring.
What is your favourite film genre?

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Quick reply
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.