Preparation of Preyssler-type Phosphotungstate with One Central Potassium Cation and Potassium Cation Migration into the Preyssler Molecule to form Di-Potassium-Encapsulated Derivative [PDF]
, 2018 A mono-potassium cation-encapsulated Preyssler-type phosphotungstate, [P5W30O110K]14– (1), was prepared as a potassium salt, K14[P5W30O110K] (1a), by heating mono-bismuth- or mono-calcium-encapsulated Preyssler-type phosphotungstates (K12[P5W30O110Bi ...
Hiromi Ota (1595155) +9 more
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The Features of Potassium Dynamics in ‘Soil–Plant’ System of Sour Cherry Orchard
Plants, 2023 This research aimed to study interannual and seasonal dynamics of different potassium compounds in orchard soil and the potassium status of sour cherry trees affected by the application of nitrogen and potash fertilizers. Afield experiment was started in
Tatyana Roeva +4 more
doaj +1 more source
ORGANIC ADDITIVE COMPOUNDS OF POTASSIUM HYDROXIDE. [PDF]
Journal of the American Chemical Society, 1917 n ...
Dehn, William M., Merling, Ruth E.
openaire +1 more source
A New Method of Halogenation of Aromatic Compounds [PDF]
مجلة جامعة الانبار للعلوم الصرفة, 2012 : A halogenation of eleven aromatic compounds using a new method for iodination of activated aromatic compounds is presented. The reaction of one mole of aromatic compound with a mixture of one mole Potassium iodide and two moles Potassium sulfate in the
Marwan M. Farhan
doaj +1 more source
Coordination Polymers of Polyphenyl-Substituted Potassium Cyclopentadienides
Molecules, 2022 A series of potassium salts of di- and tri-arylsubstituted cyclopentadienes has been obtained by the metalation of the corresponding cyclopentadienes with benzylpotassium in THF media.
Pavel D. Komarov +9 more
doaj +1 more source
Response of Egyptian Hybrid Rice One Cultivar to Zinc Sulphate, Potassium Sulphate and Magnesium Silicate as Foliar Application. [PDF]
Journal of Plant Production, 2017 The two field experiments were conducted during 2015 and 2016 seasons at the Experimental Farm of Rice Research Department (RRD), Sakha, Kafrelsheikh, Egypt.
Mariam Wissa
doaj +1 more source
Improvement of 200 kHz optical beam scanner performance with multiple internal reflection
The Journal of Engineering, 2014 The authors have realised a KTa(x)Nb(1−)(x)O(3)-based optical beam scanner that has three- and five-pass configurations with internal reflection whose scanning angle is exactly proportional to the optical path length.
Seiji Toyoda +2 more
doaj +1 more source
Molecules, 2023 A potassium carbonate promoted tandem oxy-Michael addition/cyclization of α,β-unsaturated carbonyl compounds with naphthol derivatives for the synthesis of 2-substituted naphthopyrans was developed.
Shan-Shan Li +5 more
doaj +1 more source
IET Nanodielectrics, 2019 The 0.8(K(0.52)Na(0.48))NbO(3)–0.2KSr(2)Nb(5)O(15)-yBi(2)O(3) (0.8KNN-0.2KSN-yBi(2)O(3)) lead-free ferroelectric composite ceramics were synthesised using rod-like KSr(2)Nb(5)O(15) (KSN) and isometric (K(0.52)Na(0.48))NbO(3) (KNN) particles as raw ...
Yi-ting Guo +4 more
doaj +1 more source
Methods for synthesizing diethyl carbonate from ethanol and supercritical carbon dioxide by one-pot or two-step reactions in the presence of potassium carbonate [PDF]
, 2009 Carbon dioxide sequestration was studied by synthesizing diethyl carbonate (DEC) from ethanol and CO2 under supercritical conditions in the presence of potassium carbonate as a base. The co-reagent was ethyl iodide or a concentrated strong acid.
Thiebaud-Roux, Sophie +3 more
core +1 more source