Quantitative analysis of the residues of biphenyl in citrus fruit. ... Apparatus.
1 mixer (1 litre capacity)
2-litre distillation flask with modified Clevenger-type separator (1) and cooled reflux condenser
10 ml graduated flask (1) See figure on page 180.
50 ål micropipettes thin layer chromatographic apparatus with 20 X 20 cm plates oven centrifuge with 15 ml conical tubes
U.V. spectrophotometer ...
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