TABLE 4.

EXPERIMENTAL - PROPAGATED ERRORS DATA

Parameter	Sodium dihydrogen phosphate dihydrate	Sodium citrate dihydrate	Anhydrous Citric acid
ΔAoAa	0.67	0.31	0.08
ΔAoAp	0.51	0.27	0.08
ΔAoAa/ΔAoAp	1.31	1.15	1.00
SDAoAa	0.31	0.55	0.33
SDAoAp	0.24	0.49	0.33
SDAoAa/SDAoAp	1.29	1.12	1.00
100/(100-W)	1.30	1.13	1.00
AoAa ± CIa	99.33 ± 0.33	99.69 ± 0.58	99.90 ± 0.35
AoAp ± CIp	99.49 ± 0.25	99.73 ± 0.51	99.90 ± 0.35