qNMR Exchange

Topic	Replies	Views	Activity
Degree of Quantitation (Q) and Accuracy in qNMR General	3	458	March 29, 2024
Good Weighing Practice for qNMR Archive - qNMR Series Webinars weighing-practice , uncertainty	0	231	March 4, 2024
Commercially Available qNMR Calibrants General	0	135	January 27, 2024
Use of qNMR to determine HPLC relative response factors for botanical reference standards used in pharmacopeial monographs Scientific publications	1	509	February 3, 2024
Quantitative NMR in Pharmaceutical Industry Case studies	4	258	January 20, 2024
Exciting Announcement: qNMR Summit 8.0 Upcoming events	1	220	August 12, 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	199	January 10, 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	189	April 4, 2024
Shimming problem General	0	306	March 29, 2024
USP’s Pre-Compendial Approach for Building qNMR Scientific Community Archive - qNMR Symposium/Summit featured	2	166	May 8, 2024
Discussion on How to Further Improve Quantitative NMR Methods for 13C and 29Si General	0	279	February 29, 2024
Welcome to QNMR Exchange! :wave: General featured	1	197	January 10, 2024
Number of publications on quantitative NMR since 1970 Scientific publications	2	156	January 19, 2024
Cost-effectiveness of Quantitative NMR Applications General	0	270	April 6, 2024
Application of USP General Chapter <1220> in the Development of a Procedure for Quantitative NMR Scientific publications featured	0	243	January 19, 2024
Monographs Using NMR and/or qNMR in USP Documentary Standards Guidance documents featured	0	236	January 27, 2024
Application of qNMR in drug development - industry perspective Archive - qNMR Symposium/Summit impurity , early-drug-developme , starting-material , intermediate , featured	1	164	January 20, 2024
Quantitative NMR Good Weighing Practices and Measurement Uncertainty Archive - qNMR Symposium/Summit featured	0	41	August 2, 2024
8th International qNMR Summit Registration Now Open! Archive - qNMR Symposium/Summit	0	228	February 18, 2024
Collaborative Study to Validate Purity Determination by 1H Quantitative NMR Spectroscopy by Using Internal Calibration Methodology Method validation	0	226	January 20, 2024
Spreadsheets for Quantitative 1H NMR (qHNMR) Calculations Guidance documents	0	224	January 19, 2024
美国药典通用章节将举办线上公开论坛 Upcoming events	0	202	March 22, 2024
An illustrative example of the need to qualitatively mix NMR samples ❗️ General	0	195	March 29, 2024
Recommended Benchmark Parameters such as 1H qNMR General	0	173	January 27, 2024
Pharmacopeial Forum (PF) Alert 50(2)! General	0	164	March 26, 2024
Applying quantum mechanics to deconvolute benchtop 1H NMR reaction data Scientific publications	0	163	March 13, 2024
Benchtop NMR Breaks New Ground Scientific publications	0	159	February 1, 2024
Quantitative Analysis in Continuous-Flow 1H Benchtop NMR Spectroscopy Scientific publications	0	157	February 22, 2024
Do you recommend that USP develop certified reference materials for qNMR? General	0	152	February 10, 2024
Automated self-optimization, intensification, and scale-up of photocatalysis in flow Scientific publications	0	147	February 5, 2024
2024 USP ssNMR Open Forum Upcoming events featured	0	147	March 13, 2024
Equavilency between Mass Balance and qNMR metholologies General	0	138	May 12, 2024
NMRium - NMR spectra processing for everybody Guidance documents	0	134	April 15, 2024
Rapid Communication - Benchtop NMR - 31P Scientific publications	0	133	February 2, 2024
qNMR Applications in the Quality Control of Chinese Medicine Case studies	0	121	January 27, 2024
Application of the Analytical Procedure Lifecycle Concept to a Quantitative 1H NMR Method for Total Dammarane-Type Saponins Scientific publications featured	0	114	January 25, 2024
The qNMR Summit 5.0: Proceedings and Status of qNMR Technology Archive - qNMR Symposium/Summit	0	110	January 20, 2024
Minimum Tube Requirement General	0	109	January 27, 2024
Interlaboratory Comparison of Benchtop NMR Spectrometers Archive - qNMR Symposium/Summit benchtop	0	107	June 5, 2024
USP Methods to Assist in Detecting Falsified Remdesivir Case studies featured	0	107	February 4, 2024
Webinars - NMR Trainings Upcoming events	0	104	January 21, 2024
Multicomponent analysis of dietary supplements containing glucosamine and chondroitin: comparative low- and high-field NMR spectroscopic study Scientific publications	0	99	January 26, 2024
Quantitation of Nuclear Magnetic Resonance Spectra at Earth’s Magnetic Field Scientific publications featured	0	95	April 10, 2024
Summer School "Fundamentals of Solid-State NMR Spectroscopy for Chemists"! Upcoming events	0	92	January 21, 2024
Improving Accuracy of Benchtop qNMR for Samples with Protonated Solvents Archive - qNMR Symposium/Summit impurity , usp-education	0	73	May 21, 2024
Quantum Mechanical Quantitative Nuclear Magnetic Resonance Enables Digital Reference Standards at All Magnetic Fields and Enhances qNMR Sustainability Scientific publications	0	51	June 9, 2024
Become USP Expert Volunteer General featured Opportunity alert! Become a USP Expert Volunteer USP Expert Volunteers play a pivotal role in our standards development process. As innovative analytical techniques like qNMR are developed, they can present opportunitie…	1	10	September 30, 2024
SMASH – Small molecule NMR conference Upcoming events	0	8	August 2, 2024

Degree of Quantitation (Q) and Accuracy in qNMR

General

3

458

March 29, 2024

Good Weighing Practice for qNMR

Archive - qNMR Series Webinars

weighing-practice , uncertainty

0

231

March 4, 2024

Commercially Available qNMR Calibrants

General

0

135

January 27, 2024

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

Scientific publications

1

509

February 3, 2024

Quantitative NMR in Pharmaceutical Industry

Case studies

4

258

January 20, 2024

Exciting Announcement: qNMR Summit 8.0

Upcoming events

1

220

August 12, 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

199

January 10, 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

189

April 4, 2024

Shimming problem

General

0

306

March 29, 2024

USP’s Pre-Compendial Approach for Building qNMR Scientific Community

Archive - qNMR Symposium/Summit

featured

2

166

May 8, 2024

Discussion on How to Further Improve Quantitative NMR Methods for 13C and 29Si

General

0

279

February 29, 2024

Welcome to QNMR Exchange! :wave:

General

featured

1

197

January 10, 2024

Number of publications on quantitative NMR since 1970

Scientific publications

2

156

January 19, 2024

Cost-effectiveness of Quantitative NMR Applications

General

0

270

April 6, 2024

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

Scientific publications

featured

0

243

January 19, 2024

Monographs Using NMR and/or qNMR in USP Documentary Standards

Guidance documents

featured

0

236

January 27, 2024

Application of qNMR in drug development - industry perspective

Archive - qNMR Symposium/Summit

impurity , early-drug-developme , starting-material , intermediate , featured

1

164

January 20, 2024

Quantitative NMR Good Weighing Practices and Measurement Uncertainty

Archive - qNMR Symposium/Summit

featured

0

41

August 2, 2024

8th International qNMR Summit Registration Now Open!

Archive - qNMR Symposium/Summit

0

228

February 18, 2024

Collaborative Study to Validate Purity Determination by 1H Quantitative NMR Spectroscopy by Using Internal Calibration Methodology

Method validation

0

226

January 20, 2024

Spreadsheets for Quantitative 1H NMR (qHNMR) Calculations

Guidance documents

0

224

January 19, 2024

美国药典通用章节将举办线上公开论坛

Upcoming events

0

202

March 22, 2024

An illustrative example of the need to qualitatively mix NMR samples ❗️

General

0

195

March 29, 2024

Recommended Benchmark Parameters such as 1H qNMR

General

0

173

January 27, 2024

Pharmacopeial Forum (PF) Alert 50(2)!

General

0

164

March 26, 2024

Applying quantum mechanics to deconvolute benchtop 1H NMR reaction data

Scientific publications

0

163

March 13, 2024

Benchtop NMR Breaks New Ground

Scientific publications

0

159

February 1, 2024

Quantitative Analysis in Continuous-Flow 1H Benchtop NMR Spectroscopy

Scientific publications

0

157

February 22, 2024

Do you recommend that USP develop certified reference materials for qNMR?

General

0

152

February 10, 2024

Automated self-optimization, intensification, and scale-up of photocatalysis in flow

Scientific publications

0

147

February 5, 2024

2024 USP ssNMR Open Forum

Upcoming events

featured

0

147

March 13, 2024

Equavilency between Mass Balance and qNMR metholologies

General

0

138

May 12, 2024

NMRium - NMR spectra processing for everybody

Guidance documents

0

134

April 15, 2024

Rapid Communication - Benchtop NMR - 31P

Scientific publications

0

133

February 2, 2024

qNMR Applications in the Quality Control of Chinese Medicine

Case studies

0

121

January 27, 2024

Application of the Analytical Procedure Lifecycle Concept to a Quantitative 1H NMR Method for Total Dammarane-Type Saponins

Scientific publications

featured

0

114

January 25, 2024

The qNMR Summit 5.0: Proceedings and Status of qNMR Technology

Archive - qNMR Symposium/Summit

0

110

January 20, 2024

Minimum Tube Requirement

General

0

109

January 27, 2024

Interlaboratory Comparison of Benchtop NMR Spectrometers

Archive - qNMR Symposium/Summit

benchtop

0

107

June 5, 2024

USP Methods to Assist in Detecting Falsified Remdesivir

Case studies

featured

0

107

February 4, 2024

Webinars - NMR Trainings

Upcoming events

0

104

January 21, 2024

Multicomponent analysis of dietary supplements containing glucosamine and chondroitin: comparative low- and high-field NMR spectroscopic study

Scientific publications

0

99

January 26, 2024

Quantitation of Nuclear Magnetic Resonance Spectra at Earth’s Magnetic Field

Scientific publications

featured

0

95

April 10, 2024

Summer School "Fundamentals of Solid-State NMR Spectroscopy for Chemists"!

Upcoming events

0

92

January 21, 2024

Improving Accuracy of Benchtop qNMR for Samples with Protonated Solvents

Archive - qNMR Symposium/Summit

impurity , usp-education

0

73

May 21, 2024

Quantum Mechanical Quantitative Nuclear Magnetic Resonance Enables Digital Reference Standards at All Magnetic Fields and Enhances qNMR Sustainability

Scientific publications

0

51

June 9, 2024

Become USP Expert Volunteer

General

featured

Opportunity alert! Become a USP Expert Volunteer USP Expert Volunteers play a pivotal role in our standards development process. As innovative analytical techniques like qNMR are developed, they can present opportunitie…

1

10

September 30, 2024

SMASH – Small molecule NMR conference

Upcoming events

0

8

August 2, 2024