experiment to determine presence of ions in toothpaste
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Chemical Reactions
Theory:
Every toothpaste contains the following ingredients: binders, abrasives, subsers, humectants, flavours, sweeteners, fluorides, tooth whiteners, a preservative and water. Binders thicken toothpaste- they prevent separation of the solid and liquid component, especially storage. They also effect the speed and volume of foam production, rate of flavor release and product dispersal, the appearance of toothpaste ribbon on the toothbrush. Some binders are gum solid alignate, methyl cellulose, carrageen and magnesium aluminium silicate.
1. CO3 +MgSO4 → MgCO3 + SO4 (white ppt.)
2. CO3 + 2CH3COOH → (CH3COO)2Ca + H2O
(CH3COO)2Ca + (NH4)2C2O4 → 2CHCOONH4 +CaC2O4
3. NaHPO4 + MgCl2+ NH4OH → Mg(NH4)PO4 + 2NaCl + H2O
4. I+ AgNO3 →NO3+AgI (yellow ppt.)
5. (COOH)2 + 2CH3COONa → NO REACTION
6. Pb + 2KI→ NO REACTION
7. MgCl2 + NH4OH+ (NH3)2HPO4 → Mg(NH4)PO4 + 2NH4 +H2O
ConclusionHence after testing different samples of toothpaste, we find that colgate has all necessary for stronger and whiter teeth
Theory:
Every toothpaste contains the following ingredients: binders, abrasives, subsers, humectants, flavours, sweeteners, fluorides, tooth whiteners, a preservative and water. Binders thicken toothpaste- they prevent separation of the solid and liquid component, especially storage. They also effect the speed and volume of foam production, rate of flavor release and product dispersal, the appearance of toothpaste ribbon on the toothbrush. Some binders are gum solid alignate, methyl cellulose, carrageen and magnesium aluminium silicate.
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