1. Report 01082008: Long stability-B100 soy based biodiesel
By Haiying Tang

2. Long Term Stability Test: IP

3. Long Term Stability Test: IP

4. Long Term Stability Test: Viscosity
Kinematic viscosity ( mm2/s)
Antioxidant
Indoor
Outdoor
Control
2-mon
4-mon
6-mon
9-mon
12-mon
blank
4.321
4.291
4.326
4.364
4.419
4.499
4.292
4.299
4.319
4.329
4.349
α-T
4.381
4.35
4.353
4.373
4.396
4.489
4.339
4.352
4.384
4.423
4.491 IB
4.295
4.325
4.307
4.288
4.306
4.322
4.332
BHT
4.302
4.323
4.313
4.331
4.356
4.312
4.293
4.317
4.334
4.336
BHA
4.315
4.344
4.379
4.417
4.297
4.33
4.394
4.399
DTBHQ
4.298
4.3
4.304
4.311
4.314
4.303
4.309
4.301
TBHQ
4.316
4.318
4.308 PG
4.324
4.338
4.363
4.361
4.371
4.346
4.337
4.369 PY
4.348
4.32
4.377
4.464
4.421

5. Long Term Stability Test: Viscosity

6. Long Term Stability Test: Viscosity

7. Long Term Stability Test: Acid Number
Acid Number ( mg KOH/g)
Antioxidant
Indoor
Outdoor
Control
2-mon
4-mon
6-mon
9-mon
12-mon
blank
0.176
0.217
0.245
0.27
0.296
0.435
0.214
0.233
0.242
0.282
0.321
α-T
0.224
0.238
0.35
0.205
0.225
0.239
0.263
0.383 IB
0.212
0.223
0.234
0.288
0.209
0.229
0.237
0.339
BHT
0.211
0.22
0.23
0.246
0.244
0.301
0.232
0.243
0.299
BHA
0.203
0.194
0.235
0.314
0.204
0.216
0.228
0.318
DTBHQ
0.208
0.256
0.403
0.247
0.29
0.346
TBHQ
0.222
0.276
0.231
0.227
0.285 PG
0.496
0.479
0.519
0.792
0.546
0.347
0.485
0.508
0.78
0.3
0.633 PY
0.914
0.743
0.478
0.445
0.373
0.569
0.988
0.797
0.511
0.739

8. Long Term Stability Test: Acid Number

9. Long Term Stability Test: Acid Number

10. Future Work Analysis the properties of palm oil-based biodiesel;
HPLC trainning.