METHOD OF ASSAYING INDOLE IN VEGETABLE MATERIAL Russian patent published in 1997 - IPC

Abstract RU 2099699 C1

FIELD: analytical methods. SUBSTANCE: indole is isolated from vegetable material via sublimation technique involving steam and condensation in the form of aqueous solution. Condensate is then concentrated in column with sorbent Silasorb C 18 and indole is determined using gas-liquid chromatography with ¹⁵N-indole as internal standard and mass-spectral or flame-ionization detector. EFFECT: improved accuracy. 4 dwg , 6 tbl

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RU 2 099 699 C1

Authors

Rekoslavskaja N.I.

Dates

1997-12-20—Published

1993-08-02—Filed