Waters 2996 - Page 79

Mobile Phase Absorbance 57
C
Potassium
phosphate,
monobasic
(KH
2
PO
4
),
10 mM
0.03<0.01————————
Potassium
phosphate,
dibasic,
(K
2
HPO
4
),
10 mM
0.530.160.050.01<0.01—————
Sodium acetate,
10 mM
1.85 0.96 0.52 0.30 0.15 0.03 <0.01 — — —
Sodium chloride,
1 M
2.001.670.400.10<0.01—————
Sodium citrate,
10 mM
2.48 2.84 2.31 2.02 1.49 0.54 0.12 0.03 0.02 0.01
Sodium formate,
10 mM
1.00 0.73 0.53 0.33 0.20 0.03 <0.01 — — —
Sodium
phosphate,
100 mM, pH 6.8
1.99 0.75 0.19 0.06 0.02 0.01 0.01 0.01 0.01 <0.01
Tris HCl, 20 mM,
pH 7.0
1.400.770.280.100.04<0.01————
Tris HCl, 20 mM,
pH 8.0
1.801.901.110.430.13<0.01————
Table C-1 Mobile Phase Absorbance Measured Against Air or Water (Continued)
Absorbance at Specified Wavelength (nm)
200 205 210 215 220 230 240 250 260 280