Page:Popular Science Monthly Volume 81.djvu/180

174 {|
 * width=405|Flows (melting point N. Y. T. L. method)
 * 151°
 * F.
 * Penetration at 77° F., 5 sec, 100 grams, No. 2 needle
 * 3
 * .0 mm.
 * colspan=3|
 * Loss 20 grams 325° F., 7 hours, 2 dish
 * 2
 * .9 per cent.
 * Character of residue
 * Smooth
 * Penetration at 77° F., 5 sec, 100 grams, No. 2 needle
 * 1
 * .2 mm.
 * colspan=3|
 * Loss 20 grams 400° F., 7 hours, 24 dish
 * 7
 * .2 per cent.
 * Character of residue
 * Smooth
 * Penetration at 77° F., 5 sec, 100 grams, No. 2 needle
 * .4 mm.
 * colspan=3|
 * Loss 50 grams at 325° F., 24 hours, 2 $$\times$$ dish
 * 3
 * .9 per cent.
 * Character of residue
 * Smooth
 * Penetration at 77° F., 5 sec, 100 grams, No. 2 needle
 * .5 mm.
 * colspan=3|
 * Bitumen soluble in CS2 air temperature (70° F.)
 * 94
 * .6 per cent.
 * Difference
 * 1
 * .5 per cent.
 * Inorganic or mineral matter
 * per cent.
 * 100
 * per cent.
 * colspan=3|
 * Bitumen soluble 88° naphtha, air temperature (70° F.)
 * 67
 * 3 per cent.
 * This is per cent, of total bitumen
 * 71
 * .2 per cent.
 * Carbenes—per cent. bit. insol. CCl4 air temp. (70° F.)
 * None
 * Bitumen yields on ignition: Residual coke
 * 12
 * .9 per cent.
 * Sulphur
 * 5
 * .5 per cent.
 * }
 * 1
 * .5 per cent.
 * Inorganic or mineral matter
 * per cent.
 * 100
 * per cent.
 * colspan=3|
 * Bitumen soluble 88° naphtha, air temperature (70° F.)
 * 67
 * 3 per cent.
 * This is per cent, of total bitumen
 * 71
 * .2 per cent.
 * Carbenes—per cent. bit. insol. CCl4 air temp. (70° F.)
 * None
 * Bitumen yields on ignition: Residual coke
 * 12
 * .9 per cent.
 * Sulphur
 * 5
 * .5 per cent.
 * }
 * None
 * Bitumen yields on ignition: Residual coke
 * 12
 * .9 per cent.
 * Sulphur
 * 5
 * .5 per cent.
 * }
 * 5
 * .5 per cent.
 * }
 * }

It appears from the above that the Bermudez asphalt is differentiated completely from that found in the Trinidad pitch lake, by the absence of