Table 1 Reaction variables used in the synthesis of HAp.

From: Process optimization for the rapid conversion of calcite into hydroxyapatite microspheres for chromatographic applications

Samples

Stirring rate (rpm)

Reaction time (h)

Reaction temperature (°C)

S1

w/o

2

160

S2

100

2

160

S3

300

2

160

S4

500

2

160

S5

300

0.5

160

S6

300

1

160

S7

300

1.5

160

S8

300

2

160

S9

300

2

RT (room temperature)

S10

300

2

50

S11

300

2

80

S12

300

2

160

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