Works on authentic evidence, of something having legal importance. The concept includes certificates of birth, death, etc., as well as hospital, medical, and other institutional records.
Records as Topic,Personal Identification Systems,Travel Documents,Documents, Travel,Identification Systems, Personal,Personal Identification System,Record,Records as Topics
D002855
Chromatography, Thin Layer
Chromatography on thin layers of adsorbents rather than in columns. The adsorbent can be alumina, silica gel, silicates, charcoals, or cellulose. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)