Drug

Amount applied ng/spot

Intra-day precision [%R.S.D., n = 3]

Inter-day precision [% R.S.D., n = 3]

NEB

1000

1.77

1.53

1500

1.30

0.76

2000

1.25

1.24

HCTZ

2500

0.39

0.34

3750

0.52

0.38

5000

0.65

0.63