Solvent Considerations 98
C
Information on the use of a specific solvent or concentration that is not listed in this guide
can be obtained by contacting Waters.
Table C-1 Aqueous Buffers for Use with the 1525 HPLC Pump
Aqueous Buffers
Acetate K
2
SO
4
Na
2
S Perfluorobutyric acid
Al
2
SO
4
K
3
Fe(CN)
6
Na
2
CO
3
NH
4
Cl
Ca(OCl)
2
K
4
Fe(CN)
6
Na
2
SO
4
Phosphate
CaCl
2
KBr NaCl Ta r tr a te
Citrate KCl Sodium acetate Trilithium citrate
H
2
O
2
up to 10% KHCO
3
NaH
2
BO
3
Tr i s
HIBA KMnO
4
NaHCO
3
4-(2-pyridylazo)
resorcinol monoso-
dium salt
monohydrate
K
2
CO
3
KNO
3
NaHSO
4
K
2
Cr
2
O
3
LiCl0
4
NaNO
3
K
2
S Na
2
B
4
O
7
NaOCl
Table C-2 Acids for Use with the 1525 HPLC Pump
Acids
Acetic acid, glacial Hydrochloric acid Perchloric acid
Benzoic acid Lactic acid Phosphoric acid
Chromic acid Methanesulphonic acid Pyridine-2,6-dicarboxylic acid
Citric acid Nitric acid, up to 37.5% (6 N) Sulfuric acid, up to 0.20 M
Formic acid Octanesulphonic acid Trifluoroacetic acid (TFA), up
to 10%
Glyceric acid Oxalic acid
Table C-3 Bases for Use with the 1525 HPLC Pump
Bases
Ba(OH)
2
NaOH, up to 10 M
KOH NH
4
OH, up to 3 M
LiOH Tetramethylammonium
hydroxide pentahydrate