EXAMINATION OF BITUMINOUS ROAD MATERIALS, 
PLATINUM. 
1 trianele, 5 centimeter sides (10 to 12 grams), or 1 nichrome triangle. 
1 Gooch crucible, as specified (20 to 25 grams) for solubility determinations (may be 
porcelain). Pest 
i crucible with tight-fitting, flanged lid (about 25 grams) for fixed carbon determina- 
tions. 
SOLVENTS AND CHEMICALS 
Carbon disulphide, chemically pure. 
86° Baumé paraffin naphtha, distilling between 40° C, and 65° ©. 
Carbon tetrachloride, chemically pure. 
Ether (Squibb’s). 
Alcohol, absolute (Squibb’s). 
Dimethyl! sulphate. 
Naphthalene (C. P.). 
Benzophenone (C. P.). 
Cottonseed oil. 
Mercuric chloride or nitrate. 
Mercury. 
Ammonium carbonate (C. P.). 
Calcium chloride, granular for desiccator. 
Asbestos, pure long-fiber amphibole. 
Metric conversion tables. 
' i 
Length, Capacity. Mass. | 
Sareea Leese 
ra we ||\United States! Cubie centi- || Avoirdupois 
TREES: aMirieniet ers: liquid ounces.) meters. ounces. CORPUS. | 
ocr wee Sa | eam ees eee: Saas ud abe tre ie) 
ga— 0. 0312. 0. 7938 oye eta 29. 574 | RSet meet 28. 3495 
te= - 0625 1.5875 age oewe cee 59. 147 Deere aaaiaes 56. 6991 
z= .1250 3. 1750 de cecaame 88.721 he a see 85. 0486 
{= . 2500 6. 3500 A ate siotetsier = 118. 295 Ah eo oeBSa oe 113. 3981 
z= . 5000 12. 7009 iVpeea ogee 147. 869 Defiaemans 141. 7476 
(eR eee 25. 4001 APS ne 177, 442 ORS asco ee 170. 0972 
eae ee 50. 8001 (eRe 3S one 207. 016 (ieee Beceinne 198. 4467 
Bones 76. 2002 Sree eee: 236. 599 Seesaw 226, 7962 
chat res 101. 6002 OF ae 266. 163 ese aeesooe 255. 1457 
Deacsees 127.0003 || 16=1pt..- 473, 18 16=ilb... 453. 59 
Ssosnees 152. 4003 32=1 qt. 946. 36 02352722. -: 10 
Wee cone | 177. 8004 128=1 gal 3, 785. 43 . 7055 20 
eh eee 203. 2004 0.3381... .. 10 1305825 45-2 30 
Qe cee 228. 6005 61632 </.< - 20 VALOR Ss 40 
1.0144....- 30 AOS Tiers. = 50 
1.3526... .- 40 2.1164..... 60 
Centi- AS 6S07= =. | 5 2.4692... .. 70 
meters. 2. 0288..... 60 2.8219....- 80 
2.3670..... 70 BH Yicceae 90 
2 (ODM ei 2 2 80 3.02/02... 100 ; 
| AS) eee 3. 0832... 120 BiuoT a 1,000=1 kilogram. 
7874 2 Monae 
| S35. SlRchre 1,000=1 
1.1811 3 Titer 
1.5748 | 4 nt | 
1. 9685 5 | 
2. 3622 6 
2.7559 7 
3.1496 | 8 | 
3. 5433 9 
