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Thinlayer chromatography TLC
3 other sections not shown
a-endosulfan acetone acetylation Add l ml Aldrin aliquot of sample alumina analysis Analytical anhydrous sodium sulfate batch benzene Chau and Cochrane chlordane chlorine chloroform chromic acid chromous chloride clean co-extractives compounds concentration Confirmation confirmatory tests containing DC-ll dehydrochlorinated detector developing solvent dieldrin disposable pipette eluate elute Endrin ether ethyl acetate Evaporate an aliquot fraction fractionation column funnel gas Chrom Q gas chromatograph glass-stoppered glassware GLC columns heptachlor epoxide hexane extract hexane layer injection interferences Ketone l0 ml laboratory Lindane litre manual mesh methods methoxychlor mixed nanogram solution mixture ml distilled water ml hexane ng/yl organic layer oven packing peak height pesticide grade pesticide residue pesticide standards pesticides Picogram Solution polar potassium tert-butoxide Purification reaction reagent redistilled Rinse room temperature round-bottom flask sample extract SECTION Sensitivity shake vigorously silicone silver carbonate silylation sodium sulfate solvent spray t-BuOH techniques tert-butanol TLC plate transfer y-chlordane