Translator for HPLC HINTS and TIPS for Chromatographers

Saturday, May 7, 2016

Typical Commercial Strengths of Common Acids and Bases Used in HPLC



CHEMICAL NAME
MOLECULAR WEIGHT
MOLES / LITER
GRAMS / LITER
PERCENT by WEIGHT
SPECIFIC GRAVITY
Acetic Acid
60.05
6.27
376
36
1.045
Acetic Acid, Glacial
60.05
17.4
1045
99.5
1.05
Formic Acid
46.02
23.4
1080
90
1.21
Hydrochloric Acid
36.5
11.6
424
36
1.18
Nitric Acid
63.02
15.99
1008
71
1.42
Perchloric Acid
100.5
11.65
1172
70
1.67
Phosphoric Acid
98
14.7
1445
85
1.70
Sulfuric Acid
98.1
18.0
1766
96
1.84






Ammonia (in H20)
17.0
14.8
252
28
0.898
Potassium Hydroxide
56.1
13.5
757
50
1.52
Sodium Hydroxide
40.0
19.1
763
50
1.53


Data obtained from The Merck Index, 11th edition (1989).