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Showing 1 to 12 of 17 entries
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Potassium compounds for gamma spectrometer efficiency verification.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Eren Belgin E, Aycik GA.
PMID: 28395223
Appl Radiat Isot. 2017 Jul;125:30-33. doi: 10.1016/j.apradiso.2017.04.004. Epub 2017 Apr 05.

Now-a-days several standard and well calibrated radioactive sources are available for gamma spectrometer efficiency calibration but at some situations, like lack of standard calibrators, in need of verification of standards or preparation a standard with the same properties with...

Tuning the coordination geometries and magnetic dynamics of [Ln(hfac)4](-) through alkali metal counterions.

Inorganic chemistry

Zeng D, Ren M, Bao SS, Zheng LM.
PMID: 24393012
Inorg Chem. 2014 Jan 21;53(2):795-801. doi: 10.1021/ic402111v. Epub 2014 Jan 06.

Four lanthanide compounds with formulas [Cs{Dy(hfac)4}] (1), [Cs{Er(hfac)4}] (2), [K{Dy(hfac)4}] (3), and [K{Er(hfac)4}] (4) (hfac = hexafluoroacetylacetone) are reported. Compounds 1 and 2 crystallize in the orthorhombic Pbcn space group, while 3 and 4 are in the triclinic P1̅...

Coordination polymers of 5-substituted 1,2,3,4-tetracyanocyclopentadienides: structural and electrochemical properties of complex compounds of 5-amino- and 5-nitro-tetracyanocyclopentadienide.

Dalton transactions (Cambridge, England : 2003)

Nimax PR, Rotthowe N, Zoller F, Blockhaus T, Wagner F, Fattakhova D, Sünkel K.
PMID: 34806109
Dalton Trans. 2021 Dec 07;50(47):17643-17652. doi: 10.1039/d1dt02866a.

Compounds of the 5 amino (ATCC) and 5 nitro 1,2,3,4 tetracyanocyclopentadienide (NTCC) ligand with iron(II) and iron(III), silver(I) and potassium(I) were prepared and characterized by electrochemical methods using EPR, cyclic voltammetry and Mößbauer spectroscopy as well as UV-Vis spectroscopy....

Potassium-Containing Fluids for Diabetic Ketoacidosis.

The journal of pediatric pharmacology and therapeutics : JPPT : the official journal of PPAG

Guise R, Ausherman K, Vazifedan T.
PMID: 34421408
J Pediatr Pharmacol Ther. 2021;26(6):592-596. doi: 10.5863/1551-6776-26.6.592. Epub 2021 Aug 16.

OBJECTIVE: The purpose of this process improvement project was to determine the appropriate potassium concentration of stocked IV fluids used in the treatment of diabetic ketoacidosis (DKA) at the Children's Hospital of The King's Daughters (CHKD) Emergency Department.METHODS: This...

Direct and facile synthesis of highly porous low cost carbon from potassium-rich wine stone and their application for high-performance removal.

Journal of hazardous materials

Arslanoğlu H.
PMID: 31005706
J Hazard Mater. 2019 Jul 15;374:238-247. doi: 10.1016/j.jhazmat.2019.04.042. Epub 2019 Apr 13.

Alkaline potassium compounds such as K

Conformational Control of Polysilanes: Use of CH(2) Spacers in the Silicon Backbone.

Organometallics

Wallner A, Hlina J, Wagner H, Baumgartner J, Marschner C.
PMID: 21818170
Organometallics. 2011 Aug 08;30(15):3930-3938. doi: 10.1021/om1011159. Epub 2011 Jul 11.

By the reaction of a number of oligosilyl potassium compounds with (trimethylsilyl)chloromethane, derivatives containing the (trimethylsilyl)methyl substituent were prepared. Using X-ray single-crystal structure analysis and UV spectroscopy the conformational properties of some of the compounds were studied. It was...

Sodium and potassium compounds of [(η(6)-benzenecarboxylate)Cr(CO)(3)] and [(η(6)-1,4-benzenedicarboxylate)Cr(CO)(3)].

Dalton transactions (Cambridge, England : 2003)

Murugesapandian B, Roesky PW.
PMID: 20820615
Dalton Trans. 2010 Oct 28;39(40):9598-603. doi: 10.1039/c0dt00569j. Epub 2010 Sep 03.

Reactions of [{η(6)-C(6)H(5)COOH}Cr(CO)(3)] with sodium and potassium hydroxide resulted in the corresponding alkali metal derivatives [Na(H(2)O)(3){η(6)-C(6)H(5)COO}Cr(CO)(3)] and [K(2)(H(2)O)(CH(3)OH)(1.5)[{η(6)-C(6)H(5)COO}Cr(CO)(3)](2)]. Deprotonation of [{η(6)-p-C(6)H(4)(COOH)(2)}Cr(CO)(3)] with sodium and potassium hydroxide gave the sodium compound [{Na(H(2)O)(3)}(2){η(6)-p-C(6)H(4)(COO)(2)}Cr(CO)(3)] and the potassium compound [{K(2)(CH(3)OH)(H(2)O)(2)}{η(6)-p-C(6)H(4)(COO)(2)}Cr(CO)(3)]. All substances form...

Intramolecular pyridine-based frustrated Lewis-pairs.

Dalton transactions (Cambridge, England : 2003)

Körte LA, Warner R, Vishnevskiy YV, Neumann B, Stammler HG, Mitzel NW.
PMID: 25952677
Dalton Trans. 2015 Jun 07;44(21):9992-10002. doi: 10.1039/c5dt01068c.

Deprotonation of the methylpyridines 2,6-lutidine, 2-picoline, 4-dimethylamino-2,6-dimethylpyridine as well as 2,6-dimethyl-4-(piperidine-1-yl)pyridine with n-butyllithium or n-butyllithium/KO-t-Bu at the methyl positions led to the corresponding organolithium or -potassium compounds. Treatment with ClB(C6F5)2 resulted in formation of the 2-borylmethylpyridines py-CH2-B(C6F5)2. They are...

Alkali metal complexes based on bisheterocyclomethanide ligands.

Dalton transactions (Cambridge, England : 2003)

Kretsch J, Kreyenschmidt A, Herbst-Irmer R, Stalke D.
PMID: 29972172
Dalton Trans. 2018 Sep 18;47(36):12606-12612. doi: 10.1039/c8dt01678j.

A series of new alkali metal complexes containing deprotonated bisheterocyclomethanide were synthesised and structurally as well as spectroscopically characterised. Starting from the neutral bis-(benzoxazol-2-yl)methane ({NCOC6H4}2CH2), the complexes were obtained by facile deprotonation of the methylene bridge with nbutyllithium (nBuLi)...

Coordination polymers of 5-substituted 1,2,3,4-tetracyanocyclopentadienides: structural and electrochemical properties of complex compounds of 5-amino- and 5-nitro-tetracyanocyclopentadienide.

Dalton transactions (Cambridge, England : 2003)

Nimax PR, Rotthowe N, Zoller F, Blockhaus T, Wagner F, Fattakhova D, Sünkel K.
PMID: 34806109
Dalton Trans. 2021 Dec 07;50(47):17643-17652. doi: 10.1039/d1dt02866a.

Compounds of the 5 amino (ATCC) and 5 nitro 1,2,3,4 tetracyanocyclopentadienide (NTCC) ligand with iron(II) and iron(III), silver(I) and potassium(I) were prepared and characterized by electrochemical methods using EPR, cyclic voltammetry and Mößbauer spectroscopy as well as UV-Vis spectroscopy....

Comparative studies of long-wave laser-induced breakdown spectroscopy emissions excited at 1.064 µm and eye-safe 1.574 µm.

Optics express

Brown EE, Yang CS, Hommerich U, Jin F, Trivedi SB, Samuels AC.
PMID: 28380849
Opt Express. 2017 Apr 03;25(7):7238-7250. doi: 10.1364/OE.25.007238.

In this work, comparative long-wave infrared (LWIR) laser-induced breakdown spectroscopy (LIBS) emission studies of two excitation sources: conventional 1.064 μm and eye-safe laser wavelength at 1.574 μm were performed to analyze several widely-used inorganic energetic materials such as ammonium...

Experimental study on using water mist containing potassium compounds to suppress methane/air explosions.

Journal of hazardous materials

Liu Z, Zhong X, Zhang Q, Lu C.
PMID: 32248030
J Hazard Mater. 2020 Jul 15;394:122561. doi: 10.1016/j.jhazmat.2020.122561. Epub 2020 Mar 19.

To understand the suppression effects of different potassium compounds on methane/air explosions, a 20-L spherical explosion system and a high-speed camera were used to obtain the explosion overpressure and the flame morphology for explosions at different methane concentrations under...

Showing 1 to 12 of 17 entries