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Table 4 Long term leachability (Total metal release over 12 months) (L/S 0.26, KOH 10 M, curing at ambient temperature, curing time 28 d)

From: Sustainable solidification of ferrochrome slag through geopolymerisation: a look at the effect of curing time, type of activator and liquid solid ratio

Sample

Fe (ppm)

Zn (ppm)

Mn (ppm)

Ni (ppm)

Cr (ppm)

GP0

45.7

1.23

1.78

3.76

15.7

GPS1

7.45

1.33

1.44

1.23

7.54

GPA2

1.34

1.24

0.88

0.88

1.21

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Sustainable Environment Research

ISSN: 2468-2039

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