Determination of the Calcium Content of Beer and Water Using Atomic Absorption Spectroscopy 1. Assuming the wort...

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Chemistry

Determination of the Calcium Content of Beer and WaterUsing Atomic Absorption Spectroscopy
1. Assuming the wort is saturated with Ca3(PO4)2(s), what wouldhappen to the concentration of Ca2+ions in the wort if: (i) MoreHPO42-ions were added? PO43- Concentration will increase (ii)Ca3(PO4)2 (s) was added? (iii) The pH of the solution was decreasedby addition of a suitable acid?
2. Why is LaCl₃ utilized? What changes would beneeded in set up of the AAS if LaCl₃ was not used
3. If your two highest concentrations for the calibration bothhave an absorbance of about 2, what is the problem and how youwould correct it?

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3.9 Ratings (782 Votes)

13If pH of the solution is decreased then the protonated formwill ariseSo the conversion ofwill be facilitateThus instead of Ca3PO42 we will get soluble CaHPO4 So then as it is soluble See Answer

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