Table 6 Diffraction peak intensities of products in cured soil with different BCP contents after curing for 28 days.

From: Solidification, remediation and long-term stability of heavy metal contaminated soil under the background of sustainable development

Reaction product

Bragg angle

Diffraction intensity

8%

20%

50%

Aft

9.1

1035

1120

1470

15.7

600

720

780

C–S–H

29.5

1108

1330

630

32

495

550

497

Cement stone

18.2

470

550

500

34.1

530

555

650

-Ni(0H)2

11.4

533

555

630

22.8

ND

ND

460

-Ni(0H)2

19.3

550

570

620

38.5

ND

ND

370

Ni-FeLDHs(S)

10

680

700

770

20

490

496

525

Ni-FeLDHs(C)

11.7

ND

ND

760

23.5

ND

ND

490

Zn5(0H)8CI2H2O

19.1

530

570

640

38.4

ND

ND

ND

CaZn2(0H)62H2O

14.3

498

570

600

25.7

450

515

537

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