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Benzene
| Specification : | |||
| NO | ANALYTICAL ITEM | SPECIFICATIONS | TEST METHOD |
| 1 | APPEARANCE | CLARITY,NON-SESTON | EYE BALLING THROUGH 100ML GLASS GRADUATED FLASK(20+ -3¡æ) |
| 2 | COLOUR(PLATINUM-COBALT) | <=20 | GB/T3143 |
| 3 | DENSITY(20¡æ)G/CM | 0.878-0.881 | GB2013 |
| 4 | ACID WASH COLOUR COMPARISON | NOT DARKER THAN 0.05 | GB2012 |
| 5 | SULFUR MG/KG | <=1 | SY2506 |
| 6 | NEUTRAL TEST | NEUTRALITY | GB1816 |
| 7 | CRYSTALLIZING POINT(DRY BASIS) ¡æ | >=5.4 | GB3145 |
| 8 | RESIDUE ON EVAPORATION MG/100ML | <=5 | GB3209 |
| 9 | BENZENE% | >=99.85 | GAS CHROMATOGRAPHY |
| 10 | TOLUENE% | <=0.05 | GAS CHROMATOGRAPHY |
| 11 | NON-AROMATIC% | <=0.1 | GAS CHROMATOGRAPHY |
| 12 | MOISTURE% | NON | EYEBALLING |
| 13 | THIOPHENE MG/KG | <=1 | GB/T14327 |
| PACKING:IN BULK | |||
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