Table 4 Concentration of Cr in 5% Nitric Acid Leachate and Calculation of Data Processing.

From: Preparation of Glass-ceramics Using Chromium-containing Stainless Steel Slag: Crystal Structure and Solidification of Heavy Metal Chromium

Time(h)

SSS(ppm)

S1(ppm)

S2(ppm)

S3(ppm)

S4(ppm)

S5(ppm)

9

182.6

~

5.365

0.759

0.202

0.112

18

222.7

~

8.552

1.026

0.269

0.159

36

292.1

~

13.71

1.761

0.363

0.225

72

445.7

~

24.89

2.386

0.572

0.37

144

565.4

~

34.09

3.866

0.754

0.466

288

758.4

~

40.36

4.222

0.892

0.516

UR(%)

  

0.20180

0.008444

0.00127

0.00057

  1. “~” means that the specimen does not contain Cr and the concentration of Cr was not measured in the ICP-MS test.
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