Free Acid Calculator AHA

	A	B	C	D	E	F	G	H	I
4	Explanation of how to use this calculator:		https://labmuffin.com/free-acid-calculator-for-exfoliants-at-specific-ph-levels/
5
6	Put the details of your formulation into the yellow boxes, and the
7	overall % of free acid in the product will appear in the green box.
8	Important note: The free acid value does not translate into specific skincare effects.
9
10	Concentration (%)	2.7			Overall % Free Acid	2.58%
11		Do not put "%" in the above box
12	pH	2.75
13
14	Acid	Ascorbic
15
16
17
18
19
20
21
22	Calculation Stuff			Acid Data
23
24	Acid	Ascorbic		Acid	Protons	Molar Mass	pKa1	pKa2	pKa3
25	Protons	1		Glycolic	1	76.05	3.83
26	Molar mass	176.12		Lactic	1	90.08	3.86
27	pKa1	4.1		Mandelic	1	152.15	3.41
28	pKa2			Salicylic	1	138.12	2.97
29	pKa3			TCA	1	163.38	0.66
30	Concentration (M)	0.1533045651		Ascorbic	1	176.12	4.1
31	Free Acid	0.1467495054		Citric	3	192.12	3.13	4.76	6.39
32	% Free Acid	95.72415889		Malic	2	134.09	3.4	5.2
33	% Overall	2.58455229		Gluconolactone	1	178.14	3.7
34				Lactobionic acid	1	358.296	3.8
35				Hypochlorous acid	1	52.46	7.53
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103