274739
砂
50-70 mesh particle size
别名:
白石英砂, 二氧化硅, 石英
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关于此项目
线性分子式:
SiO2
化学文摘社编号:
分子量:
60.08
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
238-878-4
MDL number:
General description
沙子通常被称为二氧化硅，被用作塑料、合成橡胶、催化剂载体、化学传感器、粘合剂、农药、纸张、油漆、涂料、密封剂或绝缘材料的前体、填料、添加剂或加工助剂。
Application
在醛类、1,3-二羰基化合物、脲类或硫脲类的三组分缩合反应中，砂子和花岗岩可作为催化剂，生成 3,4-二氢嘧啶酮和 3,4-二氢嘧啶硫酮。
适用于色谱
flash_point_f
Not applicable
flash_point_c
Not applicable
存储类别
11 - Combustible Solids
Gas hydrate formation in a variable volume bed of silica sand particles.
Linga P, et al.
Energy and Fuels, 23(11), 5496-5507 (2009)
B R Bickmore et al.
Environmental science & technology, 35(22), 4481-4486 (2002-01-05)
Caustic NaNO3 solutions containing dissolved Al were reacted with quartz sand at 89 degrees C to simulate possible reactions between leaked nuclear waste and primary subsurface minerals at the U.S. Department of Energy's Hanford site in Washington. Nitrate-cancrinite began to
Doris Dallinger et al.
Nature protocols, 2(2), 317-321 (2007-04-05)
We present here a protocol for the synthesis of the dihydropyrimidine (DHPM) derivative monastrol, which is known to be a specific mitotic kinesin Eg5 inhibitor. By applying controlled microwave heating under sealed-vessel conditions, the synthesis via the one-pot three-component Biginelli
Jenia Gutman et al.
Environmental science & technology, 47(1), 398-404 (2012-11-29)
This investigation is focused on the combined effect of bacterial physicochemical characteristics and motility on cell adhesion and deposition using a flow-through quartz crystal microbalance with dissipation (QCM-D). Three model flagellated strains with different degrees of motility were selected, including
B Afra et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 25(4), 045006-045006 (2012-12-15)
The morphology of swift heavy ion tracks in crystalline α-quartz was investigated using small angle x-ray scattering (SAXS), molecular dynamics (MD) simulations and transmission electron microscopy. Tracks were generated by irradiation with heavy ions with energies between 27 MeV and
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