PHOTOMETRIC ACCURACY(UV calibration)

PHOTOMETRIC ACCURACY


Prepare 1.065 % w/v. 0.710 % w/v, 0.355 %w/v solution of Potassium Nitrate (Previously dried at 130oC) .

Go to Photometric mode


1. press Ctr+M
2. Add wavelenth 302 nm{Select RAW DATA}
3. Auto zero
4. Then keep the Potassium Nitrate Solution in the sample cell holder & using water as a blank. 
5. Close the cell compartment.
6. click Start
7. And record the observed Abs. 

Acceptance criteria:-

Concentration % w/vAbsorbance limit
1.065 %0.741 to 0.761
0.710 %0.490 to 0.510
0.355 %0.240 to 0.260

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