Lewis acidic water as a new carrier for facilitating CO2 transport

2019 ◽  
Vol 7 (10) ◽  
pp. 5190-5194 ◽  
Author(s):  
Seul Chan Park ◽  
Il Seok Chae ◽  
Gi Hyeon Moon ◽  
Byung Su Kim ◽  
Jaeyoung Jang ◽  
...  

We report the formation of a reversible complex between CO2 and a bound water coordinating alkaline metal cation (Lewis-acidic water) by nuclear magnetic resonance (NMR) analysis for the first time.


Author(s):  
Satoshi Yasuda ◽  
Kazuhisa Tamura ◽  
Masaru Kato ◽  
Hidehito Asaoka ◽  
Ichizo Yagi


2020 ◽  
Vol 12 (40) ◽  
pp. 4892-4898
Author(s):  
Danyelle Alves da Cunha ◽  
Thays Cardoso Valim ◽  
Paulo Roberto Filgueiras ◽  
Valdemar Lacerda Junior ◽  
Alvaro Cunha Neto

Validation of a method to quantify low lactose content in commercial lactose-free milk by 1H NMR analysis.



2005 ◽  
Vol 88 (1) ◽  
pp. 107-120 ◽  
Author(s):  
Gary Cartwright ◽  
Bobbie H McManus ◽  
Timothy P Leffler ◽  
Cindy R Moser

Abstract A peer-verified method is presented for the determination of percent moisture/solids and fat in dairy products by microwave drying and nuclear magnetic resonance (NMR) analysis. The method involves determining the moisture/solids content of dairy samples bymicrowave drying and using the dried sample to determine the fat content by NMR analysis. Both the submitting and peer laboratories analyzed various dairy products by using a CEM SMART system (moisture) and the SMART Trac (fat). The samples included milks, creams, ice cream mix, sour cream, yogurt, cream cheese, and mozzarella, Swiss, and cheddar cheeses. These samples represented a range of products that processors deal with in daily plant operations. The results were compared with moisture/solids and fat values derived from AOAC-approved methods.



Holzforschung ◽  
2017 ◽  
Vol 71 (11) ◽  
pp. 881-887 ◽  
Author(s):  
Xinyu Li ◽  
Yulei Gao ◽  
Minghui Zhang ◽  
Ximing Wang ◽  
Xinyue Wei

AbstractThe migration of bound water and free water has been investigated during microwave drying of wood by the time domain nuclear magnetic resonance (TD-NMR) technique. Both the heartwood (hW) and sapwood (sW) of Beijing poplar (Populus beijingensisW. Y. Hsu) and Qingpi poplar (Populus platyphyllaT. Y. Sun) were studied. The microwave drying is characterized by a fast drying rate, and there is a linear relation between moisture content (MC) and microwave drying time (t). The drying rate of free water is about 2.7 times more rapid than that of bound water. The spin-spin relaxation time (T2) revealed that most of the water was free water situated in smaller pores. The irregular T2 signal amplitudes of free water in hWs indicated that fractional water in smaller pores was transferred into bigger pores during drying.







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