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Table 2 Measured pH value and Pb concentration of the sludge leachate

From: Trials of reuse the Pb-containing wastes of crystal glass factories into useable new materials

Sample number

pH

Pb concentration (mg/L)

1

9.20

6.715

2

9.80

8.483

3

9.31

7.397

Average

9.44

7.532

ASTM D3987 (2012)

 

5.000