IN the atomic absorption method of analysis, first described by Walsh1, the solution to be analysed is sprayed into a flame, and with a hollow-cathode lamp which emits the line spectrum of the ...

THE study of the oil-soluble vitamins has supplied overwhelming proof that both provitamin D and the antirachitic vitamin itself exhibit photochemical properties. As regards the action of light on ...

Values in cm-1. Where α = vibration – rotation interaction constant (α = alpha in the table) I = 16.8575/B gives the moment of inertia I, where B is in units of cm-1 and I has units of amu Angstroms 2 ...