Chapter V The Work of Graham
Graham traces the movements of molecules—He distinguishes between colloids and cystalloids—Dialysis 232
Chapter VI Rise and Progress of Organic Chemistry — Period of Liebig and Dumas
The barrier between inorganic and organic chemistry begins to be broken down—Wöhler prepares urea—Dumas opposes the dualistic system of Berzelius—Liebig’s conception of compound radicles—His work in animal and agricultural chemistry 252