CRACKING OF MINERAL 011 Submitted by: R o l w t ).:. St,owe, bhst Lansii~gHigh Sv11o1~1. ISasI Lat~~iilg, klivhig:~~~ Checked b?l: Richard 13. Moreau. .41pena Pnhlir Sr~hoi~l.;, i \ l p r ~ ~ Mirhigan :~,
PREPARATION
Pour 10 ml of minrral oil into a Pyrex test ~IIIII., 1 X 8 in. Place 2 or 3 in. of fine grade, loosely pnrkrrl s t ~ d wool iut80tht- tuhe above the oil. Fit t,he tuhs with ;I one-holed st,opper and glass t,uhing leading t r ~:I i:oIlect,ion hottlr mhirh is filled with bromitw raprv. Arrange t,hr apparatus sir that the oil may he htwtul wit,h onr h w n n and thrl steel wool with a swond hnrnrr.
I I ~ I I Repeating . thr ~~xprriinentwithout thc st,erl wool will show that thp ~~nsaturat,ed hydrocarbons :trr lint, present in tht- n l i ~ ~ ~ oil i i i lhefore cracking. REMARKS
'I'hv steel wool is wed ;is :I r;tt.alyst. The decolor;ilio~l(11 hrominr ii~dirntrsthv presence of unsat~irativl hyrlri~wlm~s. SOURCE
DEMONSTRATION
Heat thc stcel wwl and t,heu heat the oil 1 0 h ~ ~ i l i ~ t g while keeping the sterl wool hot. White vapor t'lr~m the oil will trawl to the hott,le of hmmine vapor w h ~ ~ i : the 11nsnt,11rater1hyrlrnrarhons i l l derol~riz~,Ihfl
I ~ F : M F : H , I,., Z. Pli!lsilV ~ R D E ~ B E K. R GF:., , "l'hysiial S i - i e n u .\ H:rsir Course," D. \:an Sostrand (%I., In(... XI.\\- York, 1959, p. 265.
