Question

write the procedure for preparation of standard solution of iron​

Answer 1

Answer:

Iron Standard Solution (8 ppm Fe): Dilute 4 volumes of iron standard solution (20 ppm Fe) to 100 volumes with water. Iron Standard Solution (10 ppm Fe): Dissolve 7.022 g of ferrous ammonium sulfate in water containing 25 ml of 1M sulphuric acid and add sufficient water to produce 1000.0 ml.

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