{"product_id":"kremnezem-von-hanan-ciam-safaa-mahmoud-und-gamil-ageeb","title":"Kremnezem","description":"\u003cp\u003eKremnezem - äto nauchnoe nazwanie gruppy mineralow, sostoqschih iz kremniq i kisloroda. Kremnezem soderzhitsq w bol'shinstwe mineral'nyh mestorozhdenij mira kak w kristallicheskoj, tak i w nekristallicheskoj (amorfnoj) forme. V kristallicheskom kremnezeme atomy kisloroda i kremniq raspolozheny w trehmernoj powtorqüschejsq strukture. Amorfnye formy kremnezema imeüt sluchajnyj risunok. V celom, formy kremniq mozhno razdelit' na tri osnownye kategorii, a imenno: obschij, izwlekaemyj (amorfnyj) i rastworimyj. Kolichestwo Si w pochwe mozhet znachitel'no war'irowat'sq ot 1 do 45% Bol'shaq chast' Si prisutstwuet w pochwe w wide nerastworimyh oxidow ili silikatow, no rasteniq mogut legko pogloschat' kremniewuü kislotu Si(OH)4 iz pochwy. Kremniewaq kislota obychno soderzhitsq w pochwe w diapazone 0,1-0,6 mM. Na koncentraciü H4SiO4 w pochwennom rastwore wliqet pH pochwy i kolichestwo gliny, mineralow, organicheskogo weschestwa i oxidow\/gidroxidow Fe\/Al, kotorye w sowokupnosti swqzany s geologicheskim wozrastom pochwy. Silikatnye pochwennye dobawki obespechiwaüt äffektiwnye i dejstwennye sredstwa dlq ustraneniq rqda himicheskih disbalansow pochwy, deficita pitatel'nyh weschestw i toxichnosti.\u003c\/p\u003e\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9786204510569\"\u003e\u003ch3\u003ekremnezem w pochwe\u003c\/h3\u003e\u003c\/div\u003e","brand":"Autorenwelt Shop","offers":[{"title":"Softcover - 9786204510569","offer_id":39862806970461,"sku":"9786204510569","price":19.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/bf4d862c-c144-4122-9429-6ebef48708cb.png?v=1758262584","url":"https:\/\/shop.autorenwelt.de\/products\/kremnezem-von-hanan-ciam-safaa-mahmoud-und-gamil-ageeb","provider":"Autorenwelt Shop","version":"1.0","type":"link"}