In this installment, I primarily discuss considerations to keep in mind when choosing buffering additives that will be used ...

蒸发光散射检测器（ELSD）是一种通用型检测器，可以用于检测无紫外线吸收的样品，如碳水化合物、脂类、表面活性剂以及合成聚合物等*。 * 某些挥发性化合物除外。 得益于分析智能（Analytical Intelligence，AI）的应用，ELSD-LT Ⅲ的灵敏度更高、动态线性范围更宽 ...

This application note introduces our simple and effective KNAUER HPLC Method Converter for modernising analytical methods according to the allowed USP 621 variations.

【植物来源】：本品选择秦巴山脉野生小檗科心叶淫羊藿Herba Epimedii的干燥茎叶。 【色谱条件】：HPLC法，色谱柱为Diamansil C18柱 (250mmx4.6mm，5um)，流动相为乙腈--水(29:71)，流速为0.8mL/min 检测波长为270nm，柱温为35℃。 【工艺流程】：原料→筛选→粉碎洗涤→投料→ ...

The secondary metabolites, nutritional components, pesticides and heavy metal residues in SLPN and SLPN-instant beverage were analyzed by the vanillin-perchloric acid method, ultra-performance liquid ...

Chinese herbal medicines (CHMs), with a wide range of bioactive components, are considered to be an important source for new drug discovery. However, the process to isolate and obtain those bioactive ...

200公斤可售量 中国 陕西西安 产品区域 假叶树提取物 假叶树提取物价格 假叶树提取物功效￥270/公斤 陕西西安西安德威生物科技有限公司实 2020-03-19询价 假叶树提取物 假叶树粉 98%￥60/件 陕西西安扶风斯诺特生物科技有限公司12年 实 2025-02-24询价 假叶树提取物10 ...

Institut de Chimie des Substances Naturelles (ICSN, UPR2301), University Paris-Saclay, 1 Avenue de la Terrasse, Gif-sur-Yvette 91198, France ...