Sample

Total acidity

(µmol/g)

Weak/strong

%

130˚C

B:L

250˚C

B:L

PZ

175

28.7:71.3

1.000:1.416

1.000:0.183

TS-1

55

39.4:60.6

1.000:417.7

1.000:0.250

TZ-1

159

24.2:75.8

1.000:3.156

1.000:0.118

TZ-3

238

26.0:74.0

1.000:2.636

1.000:0.189

TZ-5

209

24.0:76.0

1.000:7.671

1.000:0.089