1181
V O L U M E 2 2 , NO. 9, S E P T E M B E R 1 9 5 0 Table IV. Chromium and Vanadium in Various Petroleum Products Chromium, P.P.hJ Added Found
Sample Description Simulated high-additive0’ oil ferrotitanium
+
0 33 0.21,
0.20 0.21 0.09
0.11 0.05
0.05
Simulated high-additive” oil c liro me-tungaten vanadium steel Texas crude oil
+
10.6 0.0 0.0
11.5
...
...
Refined mineral oil California residuum
.
.
Added
Foiind
0.29 0.30 0.13 0.07
0.24 0.26
3.2
..
0.0
..
