Cena s DPH / bez DPH
Sponsored link
sklademVydáno: 1993
ISO 8128-2:1993
ISO 8128-2:1993-Apple juice, apple juice concentrates and drinks containing apple juice-Determination of patulin content
Formát
Dostupnost
Cena a měna
Anglicky PDF
K okamžitému stažení
1200 Kč
Francouzsky PDF
K okamžitému stažení
1200 Kč
Anglicky Tisk
Skladem
1200 Kč
Francouzsky Tisk
Skladem
1200 Kč
| Označení normy: | ISO 8128-2:1993 |
| Počet stran: | 5 |
| Vydání: | 1 |
| Vydáno: | 1993 |
Popis
ISO 8128-2:1993
The principle of the method specified is extraction of patulin in a mixture of ethyl acetate and chloroform (3:2 by volume), filtration of the extract on a silica-gel column and qualitative and quantitative determination by means of two-directional thin-layer chromatography. The spots are developed using a 3-methyl-2-benzothiazoline hydrazone (MBTH) hydrochloride solution. The limit of detection is 25 µg/l, based on 50 ml of ready-to-drink apple juice. The more precise method of analysis is HPLC.