ó ʹ *
 
        Ժѵ ͧͧ仡Ѻ ҧç¹Թҳ öѴ Ժѵ ͧͧ ҧ ҧ Ҩ ѡ¹ҴѡԺѵ ѧԺѵҧҧ Ҥ١ ͧ ͡͹ѹ ҧ͡ҧ˹ ¡ͧת  ෤Ԥҿ ٴѺٴѺٴѺ
 
         ҿ ¡͡ Tsweet .. 1906 ¡ʡѴ͡ ҡ͡ҧ ෤ԤҧҿըͧѺШͧҧ ͧѯҤ ѯҤѺ (Stationary phase) ѯҤ͹ (Mobile phase) ѯҤ Ѻͧ ¡ Adsorption Chromatography ѯҤѺ ͧ¡ Partition Chromatography ǹѯҤ͹ͧҫ ෤Ԥҧҿշ ͧͧҤö¡͡ҡѹ طѧ٨ (Identify) ෤Ԥѹ ҿ (Column Chromatography) Թҿ (Paper Chromatography) ෤Ԥҿ
 
        ҿըèͧٴѺѹҡ (Alumina; Al2 O3) (Silica gel; SiO2) ҡѺͺءԴ(ô ҧ ͹ҡ) ǹѺ͡ҡ ѧաҡ MgCO3, CaSO4, CaCO3, Na2CO3, Starch, Sucrose ´ ҡٴѺ¹ Nagubandi Lalitha(2) ҡԹٴѺ¡ʡѴҡת Ҵ 60-120 mesh ҧ ͺ س 100 C              ͹èŧ º ºѺٴѺ ʴҧ 1
ҧ 1 ººҺѺٴѺҧ (2)
Adsorbant
Solvent
Cost
Time
Separation
Sand Pet.ether low 4 hr excellent
Silica gel Pet.ether;
Benzene
high 24 hr good
Chalk powder Pet.ether;
Benzene 
low 48 hr poor
Alumina Pet.ether;
Benzene
very high 48 hr good
Cotton wool Pet.ether; low 30 min poor

                    Ը (Ѵͧٻ) ҿҨõ᷹ ش͹֧ŧ ҳ 3/4 ͧ ͧѧͧҡ ͧ (60-80 c) ŧͺ ͹˭Ѵ ҳ 5 ´ááѺ͸ҹ 10 Ե Ѻ 20 Ե ԹͧʡѴŧ¡ ¡ ҧͧԹҵ ѹ 4 Na2SO anhydrous ŧ ͧҹŧǴ Դ֧ͧ͡͡ дѺشͧ ǻ໵ʡѴҡ˭ 2 ŧ ͧºѹ§çҧ) Դ͡ŧٴѺ Դŧͧ ŧ 2 Ѻѵ Դҧó ŧ ǴٻҴ 25 ͧѺ͡ ¹Ǵٻٴҧ ١¡͡¡͡ 4 ͧ- ÿ ; Թ- ÿ ; ͧ- ᫹⸿ չ ͧ 4

ͧٴѺҤ١ҡ ͧǴº ѺٴѺ ա§ູԹ ö¹͹ ͧҿҧ ҹҹҨͧҡҧ ٴѺҧ ¡ ͡ ͡ҡ ҧ¹Һ͡ѹҧѺ

* ҤԪ  ʶҺѹҪѯ෾ʵ
 
͡ҧԧ
Ҿ سѵǪ ԺѵԹ. 3, ѷ ӹѡѲ ӡѴ, 2522.
Nagubandi Lalitha Chromatographic Separation of Plant Pigments Using Sand as the    Adsorbant. Journal of Chemical Education, Vol 71, No 5, May, 1944.