Limit of Stray Light
Potassium Chloride Solution
Weight accurately 1.2 gm of Potassium chloride (previously dried at 105 o C for two hours) and dissolve & make up to 100 ml with distilled water.
Go to Photo metric mode
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Press Ctr + M
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Add wavelength 200 nm {Select RAW DATA}
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Auto zero
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Then keep the Potassium chloride Solution in the sample cell holder & using water as a blank Close the cell compartment
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Click Start
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And record the observed Abs.
Acceptance criteria:-
If calibration is satisfactory then affix the status label on it with the next due calibration date.
Frequency
Once in a 3 month
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