silanol sentence in Hindi
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- If excess reagent is used, the product will require flash chromatography to remove excess silanol and siloxane.
- When R = H, the Si-H group can undergo hydrosilylation or oxidation to the silanol.
- These films can be contaminated with significant carbon and hydrogen as silanol, and can be unstable in air.
- In chromatography, derivitization of accessible silanol groups in a bonded stationary phase with trimethylsilyl groups is referred to as endcapping.
- Once formed, the particles are treated with oleic acid, which is proposed to react with the surface silanol groups.
- Later, calcination leads to a condensation of the silanol groups so that the silicon atoms are bridged by oxygen atoms.
- Although the compound is stable in normal conditions, the presence of basic impurities can accelerate the condensation of the silanol groups.
- Piranha solution is used to make glass hydrophilic by hydroxylating the surface, thus increasing the number of silanol groups on the surface.
- The annealing therefore provides a certain amount of thermal energy which forces more silanol groups to react among each other and new, highly stable chemical bindings are formed.
- The increase of the bonding energy is based on the conversion of silanol-( Si-OH ) into siloxane-groups ( Si-O-Si ).
- Ozone glasses have excellent conformality but tend to be hygroscopic that is, they absorb water from the air due to the incorporation of silanol ( Si-OH ) in the glass.
- 2 ) Electronic excitation : laser pulse excite the silicon producing free electrons and positive charges in the surface layer . this increase the acidity of silanol groups which donate the proton easily to analytes.
- In consequence a significant fraction of Si-OH ( silanol ) groups start to polymerize at room temperature forming Si-O-Si and water and a sufficient bonding strength for handling the wafer stack is assured.
- In a fused-silica capillary, silanol ( Si-OH ) groups attached to the interior wall of the capillary are ionized to negatively charged silanoate ( Si-O " ) groups at pH values greater than three.
- M . S . EL Salmawy, Y . Nakahiro and T . Wakamatsu, 1993, The role of silanol group in flotation separation of quartz from feldspar using non ionic surfactants, 18th IMPC, pp . 845 849, The Australian Institute of Mining and Metallurgical Engineering, Sydney, Australia
- The two components display acid-base interactions between the carbonyl groups of vinyl acetate and hydroxyl groups of TPR, complexes are formed between phenolic rings of TPR and hydroxyl groups on the surface of aluminium substrates, and interactions between carbonyl groups and silanol groups on surfaces of glass substrates are formed.
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