柠檬酸 77-92-9 Citric acid

柠檬酸是一种常用作螯合剂、缓冲剂的有机酸，用于pH的调整和衍生化。
应用
柠檬酸已用于制备:
柠檬酸磷酸盐缓冲液用于酶联免疫吸附测定。
柠檬酸盐稳定的二氧化铈水溶胶，其可用于合成氧化铈纳米颗粒。
柠檬酸-Na2HPO4缓冲储备溶液用于粪便脲酶活性的测定。
抗凝血柠檬酸葡萄糖溶液A（ACD-A），可用于分离血液来源的内皮祖细胞。
柠檬酸还可用于：
在一种新方法中，它可实现在合成钯立方八面体时对粒子的大小进行控制。
通过自下而上碳化法制备柠檬酸衍生的碳纳米点（CND）。
作为一种双组分螯合剂，通过一种新型的溶胶-凝胶法合成Li4Ti5O12（钛酸锂）。

General Description

Finding the right excipient that matches your needs as well as regulatory demands can be a complicated challenge in formulation. With our application know-how and regulatory expertise, we support you in every step of development, scale-up, and production. As part of our EMPROVE ® Program, our raw materials are offered with extensive documentation facilitating compliance of your pharma and biopharma product, full supply chain transparency and risk mitigation. Our SAFC ® portfolio of high-quality products for biopharmaceutical and pharmaceutical formulation and production withstands strict quality control procedures and is produced according to applicable cGMP guidelines.

Application

Citric acid is typically used as pH adjuster, buffer agent or as antioxidant in pharmaceutical formulations. Its application range spans across different formulation types, including semi-solid dosage forms, liquid dosage forms such as solutions and solid dosage forms such as effervescent tablets or granules. Citric acid anhydrous powder EMPROVE ® Essential is citric acid present in its water-free, powder form.