I Chloroform

Pillai, C.G.P., J.D. Weete, and D.E. Davis. 1977. Metabolism of atrazine by Spartina altemiflora. I. Chloroform-soluble metabolites. Jour. Agric. Food Chem. 25 852-855. 

Fig. 11. Low-resolution HPLC chromatograms of ZK32347. a water/methanol, 650 80 (v/v). b water/methanol, 650 80 (v/v)-i-chloroform (8 g L 0...

Solvent I (chloroform-methanol 1 1, v/v). In 10 column volumes, all of the choline-containing phospholipids should have passed through. Then, start the following ... 

Scheme 8, Reagents i, chloroform, NaOH (50%), tetra-n-butylammonium chloride ii, methanol, sodium carbonate iii, toluene, reflux iv, LiAlH4, AICI3, tetrahydrofuran v, H2, 10% Pd/C, sodium acetate, ethanol.

Fig.3 Coexistence curve of the system tri-methyl-ethylammonium bromide -i- chloroform in the presence of 1% ethanol. The arrow indicates the CP.

With fuming HNO, a yellow color, and when shaken wi i chloroform the IfUter is colored violet or colors starch-paste dark blue,... 

I) Chloroform contains C-H bonds which would absorb In the same region as the hydrocarbons. CF3CCI3 contains no C-H bonds. 

Problem 8.4 Use the data below for the system ethyl propyl ether (i)-chloroform (2) to answer the following questions ... 

The excess free enthalpy of mixing for the binary system ethanol (I)-chloroform (2) at 50°C for three different compositions is given below ... 

Solvent I = Chloroform-analytical grade, standard conditions, CS II = n-hexane-ethyl acetate (90 -f 10), standard conditions, NS III = benzene-methanol (75 + 25), layer prepared according to [196] IV = benzene-methanol (95 + 5), layer prepared according to [196] hi /-values to be regarded only as guide values. 

Fig. 150. Thin-layer chromatogram of phospholipids and other polar lipids of bovine milk [159 a]. 1 carbohydrate (lactose) and protein, 2 sphingomyelin, 3 phosphatidyl choline, 4 phosphatidyl serine, 5 phosphatidyl inositol, 6 phosphatidyl ethanolamine, 7 cerebroside dihexoside ( ), 8 cerebroside mono-hexoside ( ), P fatty acids, 10 neutral lipids. Adsorbent Silica gel HR. Solvents I, chloroform-methanol-water-28% aqu. ammonia (130 + 70+8 + 0.5) II, chloroform-acetone-methanol-acetic acid-water (50 + 20 + 10 + 10 + 5). Time 40 min in each direction. Indicator charring with chromic sulphuric acid solution...

Solvent I = Chloroform-methanol-ammonium hydroxide (60 + 10 + 1) II = chloroform-methanol-acetic acid (60 + 10 + 1)... 

Solvent I = Chloroform-ethyl acetate (60 -f 60) II = Ethyl acetate-absolute ethanol (76 + 26) III = Ethyl acetate-absolute ethanol (50 + 60) IV = Pure ethyl acetate. 

Solvents I Chloroform-acetone (90+ 10) II Benzine (Swiss Pharmacopoeia)-dioxan (75 + 30) III Benzene-ether (50 + 50). 

Solvents I = Chloroform-methanol (90 + 10) II = Benzene-acetic acid (90 + 10) m = Hexane-diethyl ether (90 + 10) IV = Hexane-acetic acid (90 + 10) V = Methylcyclohexane, used on an alumina layer which had been impregnated with a 20% solution of dimethylf ormamide in diethyl ether VI = Benzene VII = Acetone VIII = Ethyl acetate IX = Isopropanol X = Methanol. 

---