跳转至内容
Merck

HPLC Analysis of Polyphenols in Nero d′Avola Red Wine on Discovery® HS C18 (UV 280 nm)

HPLC Analysis of Polyphenols in Nero d’Avola Red Wine on Discovery® HS C18 (UV 280 nm) application for HPLC

材料

分析柱

产品编号
说明
价格

Discovery® HS C18 高效液相色谱柱

3 μm particle size, L × I.D. 5 cm × 2.1 mm

標準

产品编号
说明
价格

咖啡酸

≥98.0% (HPLC)

芸香素 水合物

≥94% (HPLC), powder

没食子酸乙酯

antioxidant, ≥96.0% (HPLC)

原花青素 B2

analytical standard

表儿茶素溶液

certified reference material, 2000 μg/mL in methanol, ampule of 0.5 mL

(+)-儿茶素

analytical standard

没食子酸

certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

单咖啡酰酒石酸

analytical standard

CONDITIONS

sample/matrix

Nero d’Avola wine sample filtered prior injection through a 0.45 μm nylon membrane

column

Discovery HS C18, 15 cm x 2.1 mm I.D., 3 μm particles (569255-U)

mobile phase

[A] water, pH 3 with formic acid; [B] acetonitrile, pH 3 with formic acid

flow rate

0.2 mL/min

column temp.

30 °C

detector

UV, 280 nm

injection

5 μL

说明

法律資訊

Discovery is a registered trademark of Merck KGaA, Darmstadt, Germany