Cefquinome Controlled Size Submicron Particles Precipitation by SEDS Process Using Annular Gap Nozzle

Table 2

Analysis results of L₉(3⁴) test.

Run	() concentration of solution (mg/mL)	() solution feeding speed (mL/min)	() precipitation pressure (MPa)	() precipitation temperature (°C)	Average diameter; (μm)
1	1	1	1	1	0.91
2	1	2	2	2	0.80
3	1	3	3	3	0.82
4	2	1	2	3	1.02
5	2	2	3	1	1.08
6	2	3	1	2	0.86
7	3	1	3	2	1.39
8	3	2	1	3	0.97
9	3	3	2	1	0.96
	0.843	1.107	0.913	0.983
K2	0.987	0.95	0.927	1.017
K3	1.107	0.88	1.097	0.937
	0.264	0.227	0.184	0.08
Optimal level	A1	B3	C1	D3

 , the mean values of mean particle size for a certain factor at each level with standard deviation.