| Samples |
Average of Bp(1) |
Average of Bp(2) |
Average 1,2 |
Difference 1,2 |
S.D% |
| Coal tar |
317.464 |
317.445 |
317.464 |
0.019 |
0.006 |
| Petroleum asphalt KP |
419.702 |
419.707 |
419.705 |
0.002 |
0.001 |
| Coal asphalt |
340.506 |
340.602 |
340.554 |
0.048 |
0.014 |
| Petroleum residue |
397.227 |
392.705 |
394.966 |
2.261 |
0.572 |
| Ethylene residue |
306.420 |
306.094 |
306.257 |
0.163 |
0.053 |
|
