Waters Alliance e2695 - Page 296

D Solvent Considerations
296 July 29, 2013, 715003794 Rev. B
Aqueous buffers for use with the separations module:
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 Tartrate
Citrate KCl Sodium acetate Trilithium citrate
H
2
O
2
up to 10% KHCO
3
NaH
2
BO
3
Tris
HIBA KMnO
4
NaHCO
3
4-(2-pyridylazo)
resorcinol
monosodium salt
monohydrate
K
2
CO
3
KNO
3
NaHSO
4
K
2
Cr
2
O
3
LiCl0
4
NaNO
3
K
2
SNa
2
B
4
O
7
NaOCl
Acids for use with the separations module:
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
Bases for use with the separations module:
Bases:
Ba(OH)
2
NaOH, up to 10 M
KOH NH
4
OH, up to 3 M