Table 3.

Particle size distribution of R-Pal and acid treated pal.

	Median D50	Mean log Dav	Mean Dav(skw)	Skew	Effective diameter	Polydispersity index (PDI index)	GSD, geometric standard deviation
R-Pal	81.9 nm	94.1	70.8	-2.67	81.9 nm	0.322	1.696
Acetic acid	54.7	59.5	47.3	0.002	54.7	0.189	1.510
HCl 0.5 M	49.6	49.7	33.7	2.09	49.6	0.005	1.073
HCl 1 M	39.7	39.8	28.7	-0.05	39.7	0.005	1.073
HCl 2 M	46.0	46.2	31.4	0.42	46	0.005	1.073
HCl 4 M	63	63.1	50.9	-0.20	63	0.005	1.073
HCl 6 M	44.9	45	25.5	1.07	44.9	0.005	1.073