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Which instrument is used for the determination of K content in soil?
Question

Which instrument is used for the determination of K content in soil?

A.

UV-VIS spectrophotometer

B.

Atomic absorption spectrophotometer

C.

Flame photometer

D.

Colorimeter

Correct option is C


Flame photometry is commonly used to determine the potassium (K) content in soil. It works by measuring the intensity of light emitted by potassium ions when they are heated in a flame.

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