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Item | standard | Test result | conclusion | ||||||
Classy | Pass | ||||||||
Nitrogen adsorption BET m2/g | 110±10 | 110±20 | 116.1 | High Grade | |||||
Suspension PH value | 5.50-7.0 | 5.07 | pass | ||||||
105℃ loss on drying % | ≤1.000 | 1.001-2.000 | 0.272 | High Grade | |||||
Ignition loss % | ≤4.0 | 3.600 | Pass | ||||||
Bulk density g/L | 55-70 | 59 | pass | ||||||
C content % | 4.0-7.0 | 5.060 | pass | ||||||
Methanol value | 55-65 | 60 | pass | ||||||
Particle size D50 | 7-15 | 16-25 | 13.1 | pass | |||||
Discrete degree | ≤1.5 | 1.6-2.5 | 1.7 | pass | |||||
Thinning index | 2-7 | / | pass | ||||||
Appearance | Black dot(2LBS) | 0-4 | 4-10 | 0 | High grade | ||||
White dot(2LBS) | 0-4 | 4-10 | 0 | ||||||
Red dot、yellow dot(2lbs) | 0-3 | 3-5 | 0 | ||||||
impurity(1lb) | 0-3 | 3-5 | 0 | ||||||










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