Quantitative solid-state analysis of three solid forms of ranitidine ...
2009年1月15日 · XRPD and Raman spectroscopy in combination with PLS regression can be used to quantify the amount of solid form components in ternary ranitidine hydrochloride …
XRPD, Raman or solid state NMR can be used. Raman was chosen since The compound is amorphous and XRPD is not sufficient to monitor the physical changes associated with …
Determination of polymorphic forms of ranitidine–HCl by DRIFTS and XRPD
2001年7月1日 · In this work solid-state techniques, diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) and X-ray powder diffractometry (XRPD) were combined to analyze …
【晶云·分享】晶型XRPD检测-晶型研究中的“特种兵”
X-射线粉末衍射（XRPD, X-ray Powder Diffraction）技术由于其快速、直观、准确、物料消耗少、适用范围广，已经成为药物晶型研究的重要手段之一，可以进行药物定性、定量、结晶度等研 …
Thermal analysis assisted by spectra-structure studies of ... - Springer
2022年1月13日 · The results obtained by thermal behavior of crystalline lercanidipine HCl and monohydrate form of ezetimibe were the initial step for detailed structural analysis by XRPD …
课堂笔记 | 关于X射线粉末衍射（XRPD）的那些事儿 - 搜狐
2017年9月6日 · 一、xrpd概述. xrpd，即通常所说的x射线粉末衍射，在制药行业用于药物多晶型结构分析，可以区别药物不同晶型与无定型状态。典型xrpd图谱如下： 图1-典型xrpd图谱. 说 …
X-ray diffraction patterns of sample 2. a) after HCl dissolution b ...
This paper describes the application of cluster analysis to X-ray powder diffraction patterns (XRPD) to define homogeneous groups of mortar-based materials according to their …
7 The XRPD patterns of (A) anhydrous moxifloxacin HCl (Form …
7 The XRPD patterns of (A) anhydrous moxifloxacin HCl (Form I), (B) moxifloxacin HCl monohydrate (Form II), and (C) amorphous moxifloxacin HCl. A comprehensive profile of …
The X-ray powder diffraction (XRPD) method provides an advantage over other means of analysis in that it is usually nondestructive in nature (to ensure a randomly oriented sample, specimen …
In this study, various techniques such thermal analysis, X-ray powder diffraction (XRPD), and FTIR were used for quantitative analysis of the mixtures of Forms 1 and 2 of BUS-HCl. …