New Possibility for REE Determination in Oil

Table 1

Working parameters of planetary centrifuge.

Mobile-phase volume	Stationary-phase volume	Centrifuge rotation speed	Beta ratio (spool radius/rotor radius)	Flow rate of mobile phase	Column tubing bore	Temperature
𝑉𝑀, mL	𝑉𝑆, mL	𝜔, rpm	𝛽=𝑟/𝑅	𝐹, mL/min	d, mm	𝑇, °C
19–110	10	750	0.65	0.5; 1.2	0.8	20