Material

Temperature of Pyrolysis (˚C)

350

450

550

650

P

SC⁽¹⁾

0.94 b⁽²⁾

1.67 c

1.99 c

2.73 c

y = −1.0175 + 0.0057x

(r² = 0.979; p < 0.0001)

RH

0.00⁽⁴⁾ a

0.00 a

0.00 a

0.00 a

ns⁽³⁾

PL

3.72 c

2.13 c

3.51 d

4.28 d

y = 15.8519 − 0.0558x + 5.9 × 10⁻⁵x²

(r² = 0.742; p < 0.0001)

SD

1.10 b

1.06 b

1.03 b

1.06 b

ns

K

SC

6.75 c

9.87 c

10.58 c

13.65 c

y = −0.4950 + 0.0214x

(r² = 0.953; p < 0.0001)

RH

0.94 a

0.75 a

0.81 a

0.88 a

ns

PL

3.13 b

1.78 b

2.48 b

3.05 b

y = 13.7939 − 0.0476x + 4.8 × 10⁻⁵x²

(r² = 0.796; p < 0.0001)

SD

0.25 a

0.25 a

0.26 a

0.27 a

ns

Mg

SC

2.28 d

3.01 c

3.38 d

3.66 d

y = −1.7685 + 0.0154x ? 1.1 × 10⁻⁵x²

(r² = 0.997; p = 0.0005)

RH

0.22 a

0.18 a

0.19 a

0.21 a

ns

PL

1.16 c

0.74 b

1.03 c

1.28 c

y = 4.7262 ? 0.0162x + 1.7 × 10⁻⁵x²

(r² = 0.838; p < 0.0001)

SD

0.65 b

0.60 b

0.80 b

0.84 b

y = 0.3300 + 7.7 × 10⁻⁴x

(r² = 0.756; p = 0.0043)

S

SC

0.60 c

0.92 d

0.87 d

1.09 d

y = 0.1542 + 0.0014x

(r² = 0.810; p < 0.0001)

RH

0.10 a

0.06 a

0.09 a

0.09 a

ns

PL

0.76 d

0.39 c

0.60 c

0.65 c

y = 3.1042 − 0.0104x + 1.0 × 10⁻⁵x²

(r² = 0.608; p < 0.0001)

SD

0.29 b

0.26 b

0.26 b

0.26 b

ns