Table 2. Calculated sample consumption in standard cell and co-flow cell data collection.

	Capillary diameter (mm)	Laser beam geometry relative to X-ray beam	X-ray path (mm)	Volume per image at 20 Hz (µl)	Experimental V st/V co per image, corrected
Standard scan	1	Orthogonal 0.15 mm depth	0.714	1800	21.5
Standard scan	0.5	Orthogonal 0.15 mm depth	0.45	400	7.6
Standard scan	0.3	Orthogonal 0.15 mm depth	0.3	140	4
Co-flow	0.3	Pseudo-collinear	0.3	35	1