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Merck

HPLC analysis of Methyl Paraben and Organic Acids on Ascentis® Express RP-Amide

HPLC analysis of Methyl Paraben and Organic Acids on Ascentis® Express RP-Amide application for HPLC

材料

分析柱

產品號碼
描述
訂價

Ascentis® Express RP- 氨基化合物,5μm HPLC色谱柱

5 μm particle size, L × I.D. 15 cm × 4.6 mm

標準

產品號碼
描述
訂價

乙酰水杨酸

analytical standard

尿嘧啶

≥99.0%

脱氢乙酸

≥98.0% (T)

间氟苯甲酸

97%

苯甲酸

analytical standard

对羟基安息香甲酯

PESTANAL®, analytical standard

4-氨基苯甲酸

analytical standard

CONDITIONS

column

Ascentis Express RP-Amide, 15 cm x 4.6 mm I.D., 5 μm particles (50774-U)

mobile phase

[A] 0.1% formic acid; [B] acetonitrile; (70:30, A:B)

flow rate

1.3 mL/min

pressure

1870 psi (129 bar)

column temp.

25 °C

detector

UV, 254 nm

injection

5 μL

sample

[A] water; [B] acetonitrile; (50:50, A:B)

描述

法律資訊

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