Apparatus with bonded adsorbent block and capillary chromatographic adsorption therewith

Claim 1

A METHOD FOR RESOLVING A MIXTURE OF COMPOUNDS WHICH COMPRISES PROVIDING A RIGID, SELF-SUPPORTING, SELFCONTAINED COLUMN COMPOSED OF A FINELY DIVIDED ADSORBENT MATERIAL AND GYPSUM AND HAVING AN ELONGATED ROD EMBEDDED THEREIN AND PROTUDING BEYOND THE END OF SAID COLUMN TO PROVIDE A HANDLE THEREFOR, DEPOSITING THE MIXTURE TO THE END OF THE COLUMN OPPOSITE THE HANDLE, HANGING THE COLUMN BY SAID HANDLE WITH ITS LOWER END, THAT HAVING THE MATERIAL DEPOSIT, IN CONTACT WITH A MASS OF FINELY DIVIDED INERT MATERIAL, THE GREATEST PART OF THE SURFACE OF THE COLUMN BEING FREE FROM CONTACT WITH ANY SOLID MATERIAL, AND APPLYING A SOLVENT TO SAID INERT MATERIAL WHEREBY THE SOLVENT WILL ASCEND THE COLUMN AT A UNIFORM RATE THUS TO RESOLVE THE MIXTRURE BY FORMING SHARPLY DEFINED BANDS OF ITS COMPONENTS, THESE BANDS BEING OF UNIFORM COMPOSITION THROUGHOUT THE CROSS SECTION OF THE COLUMN.