Silicon dioxide |7631-86-9

Ngwakọta kemịkalụ Silicon Dioxide, nke a makwaara dị ka silica (sitere na Latin silex), bụ oxide nke silicon nwere usoro kemịkal SiO2.Amara ya maka isi ike ya kemgbe oge ochie.A na-ahụkarị silica na okike dị ka ájá ma ọ bụ quartz, yana na mgbidi cell nke diatoms.
A na-emepụta silica n'ụdị dị iche iche gụnyere quartz fused, crystal, fumed silica (ma ọ bụ pyrogenic silica), colloidal silica, silica gel, na aerogel.
A na-eji silica eme ihe n'ụzọ bụ isi n'imepụta iko maka windo, iko mmanya, karama ihe ọṅụṅụ na ọtụtụ ihe ndị ọzọ.A na-esikwa na silica mee ọtụtụ eriri anya maka nzikọrịta ozi.Ọ bụ akụrụngwa bụ isi maka ọtụtụ seramiki ọcha dị ka ụrọ, ngwa okwute, poselin, yana ciment Portland.
Silica bụ ihe mgbakwunye a na-ahụkarị na mmepụta ihe oriri, ebe a na-eji ya eme ihe dị ka onye na-asọpụta na nri powdered, ma ọ bụ na-etinye mmiri na ngwa hygroscopic.Ọ bụ akụkụ bụ isi nke ụwa diatomaceous nke nwere ọtụtụ ojiji sitere na nzacha ruo na njikwa ụmụ ahụhụ.Ọ bụkwa akụkụ bụ isi nke ntụ ntụ osikapa bụ nke a na-eji, dịka ọmụmaatụ, nzacha na imepụta ciment.
Ihe nkiri silica dị mkpa nke toro na silicon wafers site na ụzọ oxidation thermal nwere ike ịba uru na microelectronics, ebe ha na-eme ihe dị ka ihe mkpuchi ọkụ eletrik na nkwụsi ike kemịkalụ dị elu.N'ime ngwa eletriki, ọ nwere ike ichekwa silicon, ụgwọ ụlọ ahịa, gbochie ihe dị ugbu a, na ọbụna mee ka ụzọ a na-achịkwa iji gbochie ọsọ dị ugbu a.
A na-eji airgel dabere na silica n'ụgbọelu Stardust iji nakọta ụmụ irighiri ihe ndị ọzọ.A na-ejikwa silica na mmịpụta DNA na RNA n'ihi ike ya iji jikọta acid nucleic n'okpuru ọnụnọ chaotropes.Dị ka silica hydrophobic, a na-eji ya dị ka akụkụ defoamer.N'ụdị hydrated, a na-eji ya na ntacha eze dị ka ihe mgbochi siri ike iji wepụ ihe ncheta eze.
N'ime ikike ya dị ka ihe mgbagha, ọ bara uru n'ụdị eriri dị ka akwa mkpuchi okpomọkụ dị elu.Na ihe ịchọ mma, ọ bara uru maka ihe ndị na-ekesa ọkụ na ntinye eke.A na-eji silica colloidal mee ihe dị ka mmanya na ihe ọṅụṅụ na-emecha ihe ọṅụṅụ.Na ngwaahịa ọgwụ, silica na-enyere ntụ ntụ na-asọba mgbe e mepụtara mbadamba nkume.A na-ejikwa ya dị ka ihe nkwalite okpomọkụ na ụlọ ọrụ mgbapụta ọkụ ọkụ.