Chromium determination with the graphite tube technique Furnace method

3A A Chromium determination with the graphite tube technique (Furnace method) 

Optimum measuring range Determination limit Calibration Acid concentration 

10 ml nitric acid (1.40 g/ml) per 1000 ml sample solution 10 pi 0.1 % ammonium nitrate solution Dissolve 0.1 g NH4NO3 in water and make up to 100 ml 

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