β Scribed by Gaunt, R.
No coin nor oath required. For personal study only.
procceacs. I n some cnrly cxpcrimcnts n niixtiirc of cnrbido and bornx,or cnrbiclc nnd s d u m chloridc was found to bo n most cfficirnt dc-oxiclising flux for copper nnd somo c o p p r nlloys--as bronzcs-cupro-nickcl, bc., Iwfectly bubtilc-frw cnvtings k i n g obtninecl. About one ounce of carbide to the usunl nniount of bornx, war qllitu sufticicnt for cnch 10111. >ot of metnl when nddcd brforc the lnst stirring. Kith Lrnsscs, bronzes, or cupro-nickcl, n good time t o ncld the cnrbitlc-bornx wns found t o bo n t tho first niclt when the lnst portions of coppcr, he., were bcing nddd.
A considcrnblc nunlbcr of mchllic oxidcs nn? rcduccd t o tho mctallic stnto by cnrbitlc. but unlcs tlic inctnl is very fusiblc or n l n g c nmount of flux-borax-sotiium or ningncsium or bnriuni chlorides-bc cinployccl, the infueihlc cnlcium oxidc ant1 nny scpnrntctl cnrboii or frec carbidc hold up tho inctnl in shots or globulcq.
Attempts to reduce soniu o f the rnrer oxiiIcs, ns those of cerium, zirconium, kc.. nncl form nlloys with coplwr fnilcd n t ordinnry coko-furnnco temlwrnturcs.
π SIMILAR VOLUMES
Viscosity measurements were carried out in methyl ethyl ketone (MEK) and dimethyl formamide (DMF) for rubber seed oil alkyds having oil content of 20 (I), 30 (II), 35 (III), 40 (IV), 50 (V), and 60% (VI). Viscosity molecular weights, intrinsic viscosities, and viscosity parameters K and a, character