Table 1 Characterisation data for MAPs: reaction yield (%), particle size for flow (CFS) and batch (Bx) produced material as 10th, 50th and 90th percentiles (D10, D50 and D90, µm), BET surface are (m2/g) and observed XRD crystal hydration phase.

From: Low-Temperature Continuous Flow Synthesis of Metal Ammonium Phosphates

M

XRD Phase

Yield

Particle Size

(CFS, um)

Particle Size

(Bx, um)

Throughput

BET

(CFS)

(Bx)

% (CFS)

% (Bx)

D10

D50

D90

D10

D50

D90

CFS

Bx

m2/g (CFS)

MgAP*

Mon/Hex

Mon

94

99

2.5

13.6

44.3

14.6

24.6

66.0

6.6

1.3

15.7

MnAP

Mon

Mon

99

99

6.4

22.8

65.1

7.4

18.4

42.2

8.4

1.5

6.8

FeAP

Mon

Mon

99

99

2.9

9.5

23.9

15.4

52.8

108.3

8.4

1.6

49.8

CoAP

Mon

Mon

97

99

4.9

23.5

51.3

15.8

65.0

135.9

8.4

1.6

6.5

NiAP

Hex

Mon

83

99

1.3

7.7

26.6

2.6

12.1

81.4

7.1

1.6

9.5

ZnAP

Anhyd

Anhyd

98

99

2.0

9.7

20.9

6.3

19.9

45.5

7.9

0.5

3.6

SnHP

Anhyd

Anhyd

79

78

2.7

6.5

22.8

2.3

19.4

40.3

7.5

1.5

4.7

  1. MgAP (*) required the addition NH3 to the Mg2+ feed in flow to precipitate the desired product8.