Attapulgite

Description

Introduction
Attapulgite also known as palygorskite or plain white silk stone, chain-like structure is a layer of water-bearing Mg-rich silicate clay minerals. Safuqinke in ***2 found that the Soviet Union in the Urals, in ***3, Father Peter fee based on the discovery of the mines it named Palygorskite. Later in the United States, Georgia\'s Fort bump and France Moermolong the soil BLEACHING region also found the fossil species, the first by white not even pull the special use of ***5 in the name of Attapulgite.In ***6, Chinese scholar Xu Ji Quan According to the Voice of Fort bump at the same time the crystal structure of the mine, to "Attapulgite" In recent years, the domestic-use. Bradley (***2) made attapulgite ideal crystal chemical formula: Mg5Si8O*0(OH)2(OH2)4·4H2O.
In the early ***0s, in east China\'s Jiangsu province Xuyi area for the first time found Attapulgite Clay Mine, for the rod-like shape of their crystals, fibrous, needle-like, long 0.**5 micron, 0.***0.*5 micron wide, 2:1 Type of clay minerals, that is, two-Si-O tetrahedron, a lead of oxygen into the body surface, the formula for Mg5Si8O*0(OH)2(OH2)4·4H2O.
Attapulgite Clay for the collection of earthy block construction, off-white to color, Qinghui, Lunatia or light green, oil sheen, light weight, **3 Mohs hardness scale was sticky when wet and malleable, dry small contraction, And do not have cracks, water absorption, in that they can achieve **0 percent over, PH = 8.5 due to internal , surface area, up to **0m2 /g and above, most of the cations, water molecules and the size of the organic Elements may be direct absorption into the channel, its electrochemical stability, performance, the electrolyte can not easily be flocculation.