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Unformatted text preview: miscellaneous sodium bicarbonate NaHCO 3 84.00 1 part in 10 parts water at 25˚ pH of 0.1 M aq. solution = 8.3; density is about 1 sodium carbonate Na 2 CO 3 106.00 1 part in 3.5 parts water at 25˚ Density is about 1 sodium chloride NaCl 58.45 1 gram dissolves in 2.8 mL of water at 25˚ Density of saturated solution = 1.202 Chromatography solvents eluting order . Usual eluting order of organic compounds. hexanes toluene methylene chloride diethyl ether ethyl acetate acetone methanol, ethanol acetic acid saturated hydrocarbons unsaturated hydrocarbons ethers esters halides ketones aldehydes amines alcohols acids and bases increasing polarity (more powerful eluters) more polar (stronger bonding)...
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- Winter '09
- Solvent, Diethyl ether, Ethyl acetate, methylene chloride