qNMR Exchange

Topic	Replies	Views	Activity
Degree of Quantitation (Q) and Accuracy in qNMR General	3	661	March 29, 2024
Spreadsheets for Quantitative 1H NMR (qHNMR) Calculations Guidance documents	0	398	January 19, 2024
Good Weighing Practice for qNMR Archive - qNMR Series Webinars weighing-practice , uncertainty	0	259	March 4, 2024
Commercially Available qNMR Calibrants General	0	141	January 27, 2024
Use of qNMR to determine HPLC relative response factors for botanical reference standards used in pharmacopeial monographs Scientific publications	1	526	February 3, 2024
Shimming problem General	0	737	March 29, 2024
Quantitative NMR in Pharmaceutical Industry Case studies	4	286	January 20, 2024
Exciting Announcement: qNMR Summit 8.0 Upcoming events	1	232	August 12, 2024
Cost-effectiveness of Quantitative NMR Applications General	0	500	April 6, 2024
Quantitative NMR Good Weighing Practices and Measurement Uncertainty Archive - qNMR Symposium/Summit featured	0	82	August 2, 2024
NMR-Based Quantum Mechanical Analysis Builds Trust and Orthogonality in Structural Analysis: The Case of a Bisdesmosidic Triglycoside as Withania somnifera Aerial Parts Marker Scientific publications	2	224	April 4, 2024
Application of USP General Chapter <1220> in the Development of a Procedure for Quantitative NMR Scientific publications featured	0	387	January 19, 2024
Introduce yourself here General featured Hello and welcome to the qNMR Exchange Community. Whether you’re new to the topic or you’ve been a here a while, we’re really happy to have you here and helping us build knowledge and best practices within qNMR. To get…	2	209	January 10, 2024
Monographs Using NMR and/or qNMR in USP Documentary Standards Guidance documents featured	0	325	January 27, 2024
USP’s Pre-Compendial Approach for Building qNMR Scientific Community Archive - qNMR Symposium/Summit featured	2	175	May 8, 2024
Discussion on How to Further Improve Quantitative NMR Methods for 13C and 29Si General	0	302	February 29, 2024
Welcome to QNMR Exchange! :wave: General featured	1	209	January 10, 2024
Number of publications on quantitative NMR since 1970 Scientific publications	2	162	January 19, 2024
Collaborative Study to Validate Purity Determination by 1H Quantitative NMR Spectroscopy by Using Internal Calibration Methodology Method validation	0	268	January 20, 2024
Application of qNMR in drug development - industry perspective Archive - qNMR Symposium/Summit impurity , early-drug-developme , starting-material , intermediate , featured	1	179	January 20, 2024
8th International qNMR Summit Registration Now Open! Archive - qNMR Symposium/Summit	0	244	February 18, 2024
An illustrative example of the need to qualitatively mix NMR samples ❗️ General	0	203	March 29, 2024
美国药典通用章节将举办线上公开论坛 Upcoming events	0	203	March 22, 2024
Pharmacopeial Forum (PF) Alert 50(2)! General	0	198	March 26, 2024
Recommended Benchmark Parameters such as 1H qNMR General	0	184	January 27, 2024
Applying quantum mechanics to deconvolute benchtop 1H NMR reaction data Scientific publications	0	182	March 13, 2024
Equavilency between Mass Balance and qNMR metholologies General	0	176	May 12, 2024
Quantitative Analysis in Continuous-Flow 1H Benchtop NMR Spectroscopy Scientific publications	0	167	February 22, 2024
Benchtop NMR Breaks New Ground Scientific publications	0	166	February 1, 2024
Do you recommend that USP develop certified reference materials for qNMR? General	0	157	February 10, 2024
NMRium - NMR spectra processing for everybody Guidance documents	0	156	April 15, 2024
2024 USP ssNMR Open Forum Upcoming events featured	0	155	March 13, 2024
Automated self-optimization, intensification, and scale-up of photocatalysis in flow Scientific publications	0	153	February 5, 2024
Rapid Communication - Benchtop NMR - 31P Scientific publications	0	150	February 2, 2024
qNMR Applications in the Quality Control of Chinese Medicine Case studies	0	132	January 27, 2024
Interlaboratory Comparison of Benchtop NMR Spectrometers Archive - qNMR Symposium/Summit benchtop	0	132	June 5, 2024
Application of the Analytical Procedure Lifecycle Concept to a Quantitative 1H NMR Method for Total Dammarane-Type Saponins Scientific publications featured	0	129	January 25, 2024
The qNMR Summit 5.0: Proceedings and Status of qNMR Technology Archive - qNMR Symposium/Summit	0	119	January 20, 2024
Minimum Tube Requirement General	0	113	January 27, 2024
USP Methods to Assist in Detecting Falsified Remdesivir Case studies featured	0	111	February 4, 2024
Multicomponent analysis of dietary supplements containing glucosamine and chondroitin: comparative low- and high-field NMR spectroscopic study Scientific publications	0	110	January 26, 2024
Become USP Expert Volunteer General featured	1	77	September 30, 2024
Webinars - NMR Trainings Upcoming events	0	106	January 21, 2024
Quantitation of Nuclear Magnetic Resonance Spectra at Earth’s Magnetic Field Scientific publications featured	0	100	April 10, 2024
Summer School "Fundamentals of Solid-State NMR Spectroscopy for Chemists"! Upcoming events	0	93	January 21, 2024
Improving Accuracy of Benchtop qNMR for Samples with Protonated Solvents Archive - qNMR Symposium/Summit impurity , usp-education	0	82	May 21, 2024
qNMR Summit 2025 in Halifax, Canada Upcoming events	0	75	January 24, 2025
Primary Structure of Glycans by NMR Spectroscopy Scientific publications	0	66	January 30, 2025
NMR metabolomics symposium Upcoming events	0	64	January 27, 2025
Quantum Mechanical Quantitative Nuclear Magnetic Resonance Enables Digital Reference Standards at All Magnetic Fields and Enhances qNMR Sustainability Scientific publications	0	60	June 9, 2024

Degree of Quantitation (Q) and Accuracy in qNMR

General

3

661

March 29, 2024

Spreadsheets for Quantitative 1H NMR (qHNMR) Calculations

Guidance documents

0

398

January 19, 2024

Good Weighing Practice for qNMR

Archive - qNMR Series Webinars

weighing-practice , uncertainty

0

259

March 4, 2024

Commercially Available qNMR Calibrants

General

0

141

January 27, 2024

Use of qNMR to determine HPLC relative response factors for botanical reference standards used in pharmacopeial monographs

Scientific publications

1

526

February 3, 2024

Shimming problem

General

0

737

March 29, 2024

Quantitative NMR in Pharmaceutical Industry

Case studies

4

286

January 20, 2024

Exciting Announcement: qNMR Summit 8.0

Upcoming events

1

232

August 12, 2024

Cost-effectiveness of Quantitative NMR Applications

General

0

500

April 6, 2024

Quantitative NMR Good Weighing Practices and Measurement Uncertainty

Archive - qNMR Symposium/Summit

featured

0

82

August 2, 2024

NMR-Based Quantum Mechanical Analysis Builds Trust and Orthogonality in Structural Analysis: The Case of a Bisdesmosidic Triglycoside as Withania somnifera Aerial Parts Marker

Scientific publications

2

224

April 4, 2024

Application of USP General Chapter <1220> in the Development of a Procedure for Quantitative NMR

Scientific publications

featured

0

387

January 19, 2024

Introduce yourself here

General

featured

Hello and welcome to the qNMR Exchange Community. Whether you’re new to the topic or you’ve been a here a while, we’re really happy to have you here and helping us build knowledge and best practices within qNMR. To get…