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7.35 - 7.45
Normal level of blood pH
H+ ions
Additional ion from an acid
OH-
Additional ion from base
CH3OOH
Acetic Acid
NH4Cl
Ammonium Chloride
NH3
Ammonia
NAC2H3O2
Sodium Acetate
NaOH
Sodium Hydroxide
1mL 0.1 M HCl & NaOH
Solutions added to divided buffer systems
10mL CH3COOH + 10mL NaC2H3O2
Buffer A
5mL CH3COOH + 15mL NaC2H3O2
Buffer System B
10mL NH4Cl + 10mL NH3
Buffer System C
5mL NH4Cl + 15mL NH3
Buffer System D
Thymol Blue
Chemical dye used as a pH indicator
1.2-2.8 and 8.0-9.2
Thymol Blue Range
Fuscia Pink
Thymol Blue Color for pH of 1
Orange
Thymol Blue Color for pH of 2
Mustard Yellow
Thymol Blue Color for pH of 3-8
Cyan Blue
Thymol Blue Color for pH of 8-9
Yale Blue
Thymol Blue Color for pH of 10-14