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Renal Stone formation/dissolution

Zachary Ghalayini, Martin Feyes, Ali Shouman, Harrison Hethershaw (CHM2046L) GROUP 6

Zach Ghalayini

on 16 April 2013

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Transcript of Renal Stone formation/dissolution

Martin Feyes
Ali Shouman
Zachary Ghalayini
Harrison Hethershaw Creation and dissolution
of Renal stones Renal Stones Are defined as a solid concretion or crystal aggregation formed in the kidneys from dietary minerals in the urine. Mg3(PO4)2 A rare form of struvite Kindey stone Creation of the Magnesium
Phosphate Kidney Stone In the first week we created the Magnesium Phosphate stone using solid Sodium Phosphate and solid magnesium chloride

We used this Balanced Equation to create it:

3MgCl2 + 2Na3PO4 --> Mg3(PO4)2 + 6NaCl Formation 2 seperate solutions of sodium phosphate and
magnesium chloride of equal volumes of 10 mL Dissolution We used four different acidic solutions to dissolve our stone
Monster - Benzoic/Citric acid
Diet Coke - Phosphoric Acid
Lemon Juice - Citric Acid
Pineapple Juice - Citric Acid The four common types of kidney stones are:

Calcium (Oxalate CaC2O4 or Phosphate Ca3(PO4)2)
Struvite NH4MgPO4•6H2O
Uric Acid C5H4N4O3
Cystine C6H12N2O4S2 A struvite stone, also known as an infection stone, may form after there is an infection in the urinary system. This type of kidney stone contains the mineral magnesium. 3MgCl2 +2Na3PO4 --> Mg3(PO4)2 + 6NaCl We used the 3:1 molecular ratio of MgCl2 vs
Mg3(PO4)2 Centrifuge Filter the renal stones from the Salt-water Dehydrate for one week Results Lemon Juice: 0.2805 grams --> 0.076 grams

Pineapple Juice: 0.2805 grams --> 0.228 grams

Diet Coke: 0.2805 grams --> 0.21 grams

Monster: 0.2805 grams -->0.11 grams Percent Error=(1 g - 1.122g/ (1g))*100%
=12.2% greater than theoretical yield
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