Table 1.

Manufacturer assigned windows for Bio-Rad Variant HPLC system

Peak Name	Window (minutes)	Retention time (minutes)
F window	1.00–1.30	1.15
P2 window*	1.30–1.60	1.45
P3 window*	1.60–1.90	1.75
A0 window	1.90–3.30	2.60
A2 window	3.30–3.90	3.60
D window	3.90–4.30	4.10
S window	4.30–4.70	4.50
C window	4.90–5.30	5.10

^*P2 and P3 are minor peaks associated with haemoglobin A