نتایج جستجو برای: brucite
تعداد نتایج: 232 فیلتر نتایج به سال:
Samples of layered double hydroxides were prepared by a sol-gel procedure. Quinolinate Al(C9H6NO)3 units were added during the synthesis, leading to composite quinolinate hydrotalcite-like compounds. The amount of quinolinate was varied, showing that the number of organic building blocks determines the physicochemical properties of materials, which differ significantly from those commonly repor...
Igneous bodies in Manshad-Taft fau lt zone arc intruded into Shirkuh granitic batllolilic basement. They also cause different skam-marble mineralization in dolomitized limestones which are covered granitic basement. Skarns are composed of variety of minerals. Marbles consist of variolls minera ls such as brucite, forste rite, diopsid, pcriclase,taJc, calcite, dolomite, and hydromagnesite...
Efflorescent outgrowths and compact vein-like material from brucite-rich specimens is a basic magnesium carbonate and possibly a dimorph of artinite. X-ray, infrared, chemical and thermal data reveal the material to be different from known ffatural basic magnesium carbonates.
The occurrence and genesis of Ca(OH)2 and Mg(OH)2 deposits associated with hyperalkaline groundwater from partly serpentinized ultramafic rocks in Northern Oman is reported. Two types of Ca(OH)2 deposit are differentiated; crystalline portlandite formed by the evaporation of Ca 2 + 2 O H spring waters, and a form of amorphous gel, not previously known in nature. The latter is a product of prese...
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