If you are at JASIS in Tokyo this week please stop by the Shimadzu booth to see the world’s highest field benchtop NMR spectrometer. #NMR #NMRchat #JASIS #JASIS2026 #QMagnetics #QM125 #Chemsky
John Price
@jpricephysics.bsky.social
Physicist, retired professor, maker of NMR spectrometers, struggling flute player
QM-125, 125 MHz NMR highlights 4-methylanisole. Its para ring forms an AA′BB′ spin system, giving two doublet-like aromatic resonances with higher-order effects. Methyl and methoxy singlets show how symmetry shapes 1H NMR. Used in synthesis and fragrances.🧪 #NMRchat #Chemsky #Chemistry
We’re headed to the Biennial Conference on Chemical Education @bcce2026.bsky.social🧪! Visit Q Magnetics at booth 4 in the Memorial Union Main Lounge Sunday - Tuesday. Learn more about BCCE: bcce.divched.org/2026 #BCCE2026 #ACS #NMRchat #Chemsky #ChemEd
Dimethyl isophthalate spectrum on the QM-125 benchtop NMR. Its symmetric meta ring creates three aromatic proton environments, with C being equivalent. This simplifies splitting, giving distinct aromatic resonances and a sharp 6H ester methyl singlet.🧪 #NMRchat #Chemsky #Chemistry
125 MHz benchtop NMR of 3-methylpyridine shows how the pyridine nitrogen influences proton signals. The aromatic protons give downfield resonances, while the methyl group appears as a singlet. Used in pharmaceuticals, agrochemicals, and specialty synthesis. #NMRchat #Chemsky #Chemistry
125 MHz benchtop NMR of 2,2-difluoroethyl (4-methylphenyl)sulphonate shows how fluorine affects proton signals. The para ring gives distinct doublets, while the difluoroethyl group produces resonances shaped by nearby fluorine. Used in pharmaceutical and agrochemistry.🧪 #NMRchat #Chemsky #Chemistry
Its a good day to post and repost this editorial on Trump’s rampage against US science: diabetesjournals.org/care/article...
Misguided Brushes of a Pen Continue to Dismantle and Destroy Biomedical Research in the United States: We Can No Longer Afford Complacency and Fear. We Must All Act Now!
The opinions expressed in this editorial are the personal views of the authors (S.E. Kahn, C.A.M. Anderson, J.B. Buse, and E. Selvin) and do not represent
diabetesjournals.org
125 MHz benchtop ¹H NMR of isopropylbenzene. Used in phenol and acetone production, it is relevant to petrochemical manufacturing and solvent analysis. Its monosubstituted benzene ring and isopropyl group give clean, well resolved aromatic and alkyl resonances. 🧪 #NMRchat #Chemsky #Chemistry
125 MHz benchtop NMR highlights the alkene and aldehyde signals of trans-2-hexenal. Its conjugated structure shifts the aldehyde proton downfield while the trans alkene gives separated vinyl resonances. Used in flavors, fragrances, foods, and consumer products. 🧪 #NMRchat #Chemsky #Chemistry
125 MHz benchtop NMR of 4-Nitrotoluene with two aromatic doublets from the para substituted ring and a sharp methyl singlet. The strong electron withdrawing nitro group shifts aromatic signals downfield. Used in azo dyes, pigments, and agricultural chemicals. 🧪 #NMRchat #Chemsky #Chemistry
125 MHz benchtop ¹H NMR of propylene carbonate. Used in lithium-ion batteries and cosmetics, its cyclic carbonate structure gives a simple, well resolved spectrum with characteristic methylene resonances and a distinct methyl signal.🧪 #NMRchat #Chemsky #Chemistry
125 MHz ¹H NMR of 4-Hydroxypropiophenone shows a well-resolved spectrum from an aromatic ketone. The para substituted ring gives two doublets, ethyl side chain adds aliphatic signals. It’s a commonly used intermediate in pharmaceuticals and fragrance chemistry.🧪 #NMRchat #Chemsky #Chemistry
From soft plastics to sharp spectra, diethyl phthalate (DEP) is well resolved on the QM 125 benchtop ¹H NMR. It plasticizes PVC and cellulose acetate and serves as a low-volatility solvent. Its symmetric phthalate core gives characteristic aromatic splitting.🧪 #NMRchat #Chemsky #Chemistry
125 MHz ¹H NMR of Brilliant Blue shows the spectral signature of food dye. Its conjugated triarylmethane core gives distinct aromatic resonances, while sulfonated groups shape peak positions in aqueous solution. Used in sports drinks, candy, and blue raspberry products.🧪 #NMRchat #Chemsky #Chemistry
125 MHz ¹H NMR of caffeine. Beyond its stimulant role, it provides key bitterness in beverages, making caffeine-free flavors hard to replicate. Its substituted xanthine core yields three N-methyl singlets and a characteristic aromatic proton.🧪 #NMRchat #Chemsky #Chemistry
Live from ACS Spring 2026. Come say hello and see the QM-125 benchtop NMR. Booth #1325. 🧪 #ACSSpring2026 #ACS #ACS150 #NMR #NMRchat #BenchtopNMR #Chemsky
I'll be at the Spring ACS meeting in Atlanta next week. The world's highest field benchtop NMR spectrometer will be making spectra at the Q Magnetics booth #1325. Please stop by! #NMRChat #ACSSpring2026 #NMR #ChemSky
Q Magnetics@qmagnetics.bsky.social · 6mo ago125 MHz benchtop NMR spectrum of cocaine acquired from just 5.1 µL and <100 µg analyte, demonstrating the QM-125’s 20 nM sensitivity, high resolution, and highest-available benchtop field. Visit us at ACS Spring 2026 in Atlanta, Booth #1325. 🧪 #ACSSpring2026 #ACS #ACS150 #NMRchat #Chemsky
I’ll be at the Spring ACS meeting in Atlanta with Q Magnetics, so please stop by booth #1325 if you would like to chat. #ChemSky #NMR @qmagnetics.bsky.social
Q Magnetics@qmagnetics.bsky.social · 6mo ago125 MHz NMR spectrum of quinine acquired from only 5.5 µL (552 nmol) of sample - about 200x less analyte than typically required. Even at this scale, it shows state-of-the-art resolution and dispersion for benchtop NMR. Q Magnetics at ACS Spring 2026, Booth #1325. #ASCSpring2026 #NMRchat #Chemsky
I’ll be at the Spring ACS meeting in Atlanta with Q Magnetics. Please stop by our booth or message me if you would like to chat. #ChemSky #NMRchat #ACS150 @qmagnetics.bsky.social
Q Magnetics@qmagnetics.bsky.social · 6mo agoOn the QM-125 125 MHz benchtop NMR, reserpine shows aromatic, methoxy, and aliphatic ¹H resonances from its complex indole alkaloid framework. Historically used to treat hypertension, it also became an early therapy for psychiatric disorders.🧪 #NMRchat #Chemsky #Chemistry
Why does swapping a methyl group for a methoxy group cause such a big NMR shift? At 125 MHz benchtop NMR, benzylic protons appear upfield, while the methoxy group resonates downfield. What’s driving this difference? Follow @qmagnetics.bsky.social for more spectra to come!🧪 #NMRchat #Chemsky
RT Alexej Jerschow @ajerschow Slots filling up fast for the GRC on Magnetic Resonance and Quantum Information, apply soon if you'd like to be part of this, Convergence of Magnetic Resonance and Quantum Information Science, June 14-19, 2026, New Hampshire U.S. grc.org/magnetic-res... #NMRchat 🧲
Q Magnetics wishes a Happy Valentine’s Day to NMR admirers everywhere #NMRchat #ChemSky
Q Magnetics@qmagnetics.bsky.social · 7mo agoRoses are red, violets are blue, and β-ionone is in both. On the Q Magnetics 125 MHz benchtop NMR, its conjugated enone gives distinct olefinic and allylic resonances from extended π-coupling. A perfumery and flavor staple, it’s a true spectral match.🧪 #NMRchat #Chemsky #Chemistry #Valentinesday
According to the sweetness index, this spectrum is 180 times sweeter than a sucrose spectrum. #NMR #Chemistry #FoodScience #ChemSky #NMRchat
Q Magnetics@qmagnetics.bsky.social · 7mo agoAspartame, a low-calorie sweetener whose ¹H NMR shows aromatic, aliphatic, and amide signals, has methine and methylene protons appearing as distinct multiplets. On the QM-125 benchtop NMR, these well-resolved signals aid structural analysis.🧪 #NMRchat #Chemsky #Chemistry #Peptide #Chemistry
When it comes to benchtop NMR, higher field doesn't have to mean higher cost. At 125 MHz, the QM-125 is the highest field of any non-super-conducting magnet at less than half the cost per MHz than other benchtop instruments.🧪 www.qmagnetics.com #NMRchat #Chemistry #Chemsky
If Trump and his devils are not somehow stopped, America is about to see a Nazi ethnic cleansing of 10,000 adults and children in Springfield, Ohio.
Timothy Snyder@timothysnyder.bsky.social · 7mo agoIn Springfield, Ohio, people are preparing in advance of a “large deportation” promised by the president. To all appearances, the city is 2 or 3 days from a federal ethnic cleansing, grounded in a hate campaign organized by the vice-president and American Nazis. snyder.substack.com/p/ethnic-cle...
Is 50:50 PLGA truly equal lactic and glycolic acid? Copolymer analysis relies on NMR integration. With 125 MHz field strength and high dispersion, the QM-125 enables benchtop quantitative PLGA analysis, directly compared to supplier COA data. www.qmagnetics.com/copolymer-an... 🧪 #NMRchat #Chemsky
Highest field NMR available outside of a superconducting magnet #Chemistry #Chemsky
Q Magnetics@qmagnetics.bsky.social · 8mo agoAt 125 MHz, benchtop NMR highlights the aromatic region of diclofenac sodium, a common NSAID used to treat pain and inflammation. Downfield aromatic signals reflect deshielding from the dichloro rings, where chlorine’s electron-withdrawing effects shift protons further downfield.🧪 #NMRchat #Chemsky
T₁ inversion-recovery is a key first step in qNMR, defining optimal delay times to balance accuracy and speed. With 125 MHz performance and high resolution, the QM-125 is ready for qNMR—learn more in our latest application note. www.qmagnetics.com/app-note-arr... 🧪 #NMRchat #Chemistry #Chemsky
