Calcium formate na-eji: ụdị niile nke akọrọ mix ngwa agha, ụdị nile nke ihe, eyi na-eguzogide ihe, ala ụlọ ọrụ, ndepụta ụlọ ọrụ, tanning. Ọnụ ọgụgụ nke calcium formate bụ banyere 0.5 ~ 1.0% kwa ton nke akọrọ ngwa agha na ihe, na kacha mgbakwunye ego bụ 2.5%. Ọnụ ọgụgụ nke calcium formate na-eji nwayọọ nwayọọ na-abawanye na mbelata nke okpomọkụ, na ọbụna ma ọ bụrụ na ego nke 0.3-0.5% etinyere n'oge okpomọkụ, ọ ga-egwu a ịrịba ike mmalite mmetụta.
Calcium formate dị ntakịrị hygroscopic ma na-atọ ụtọ ntakịrị. Na-anọpụ iche, na-adịghị egbu egbu, soluble na mmiri. Ihe ngwọta mmiri na-anọpụ iche. Solubility nke calcium formate adịghị agbanwe nke ukwuu na-abawanye nke okpomọkụ, 16g/100g mmiri na 0℃ na 18.4g/100g mmiri na 100 ℃. Specific ike ndọda: 2.023(20℃), nnukwu njupụta 900-1000g/L. Kpọọ ire ere okpomọkụ> 400 ℃.
N'ime ihe owuwu, a na-eji ya dị ka onye na-edozi ngwa ngwa, ihe mmanu na ike mmalite maka ciment. A na-eji ngwa agha na ihe dị iche iche eme ihe, mee ka ọsọ simenti sie ike, belata oge nhazi, karịsịa n'oge oyi, iji zere ọnọdụ ọnọdụ okpomọkụ dị ala na-adị ngwa ngwa. Ngwa ngwa demulding, nke mere na ciment ozugbo enwere ike imeziwanye ike tinye n'ọrụ.
A na-ewepụ formic acid na lime hydrated iji mepụta usoro calcium, a na-enwetakwa usoro calcium azụmahịa site na nchacha. Sodium formate na calcium nitrate na-enweta mmeghachi omume nbibi okpukpu abụọ n'ihu ihe na-eme ka a na-enweta calcium formate ma na-emepụta sodium nitrate. Azụmahịa calcium formate nwetara site na nnụcha.
N'ime usoro mmepụta pentaerythritol, a na-eji calcium hydroxide na-enye ọnọdụ mmeghachi omume bụ isi, a na-emepụta calcium formate site n'ịgbakwunye formic acid na calcium hydroxide na usoro nkwụsịtụ.
Enwere ike nweta formic acid anhydrous site na ịgwakọta formic acid na phosphorus pentoxide na distillation n'okpuru nrụgide belatara, ugboro 5 ruo 10 ugboro ugboro, mana ego ahụ dị ntakịrị ma na-ewe oge, nke ga-eme ka ụfọdụ ire ere. Distillation nke formic acid na boric acid dị mfe ma dị irè. A na-agbaze boric acid na okpomọkụ dị elu ruo mgbe ọ naghịzi amịpụta afụ, na-agbaze nke si na ya pụta na-awụsa na mpempe ígwè, mee ka ọ dị mma na nkụ, wee gbanye ya n'ime ntụ ntụ.
A na-agbakwunye ezigbo borate phenol ntụ ntụ na formic acid ma tinye ya maka ụbọchị ole na ole iji mepụta oke siri ike. A na-ekewa mmiri mmiri doro anya maka nkwụsịtụ oghere na akụkụ distillation nke 22-25 ℃ / 12-18 mm ka anakọtara dị ka ngwaahịa ahụ. Ihe ka ga-abụ nkwonkwo ala zuru oke ma chekwaa ya site na ọkpọkọ ihicha.
Chekwaa n'ụlọ nkwakọba ihe dị jụụ, ikuku ikuku. Wepụ ọkụ na okpomọkụ. Ọnọdụ okpomọkụ nke ọdọ mmiri agaghị agafe 30 ℃, na iru mmiri agaghị agafe 85%. Debe ihe mkpuchi ahụ. Ekwesịrị ịchekwa ya iche site na oxidizers, alkalis na ntụ ntụ na-arụ ọrụ, ma ghara ịgwakọta ya. Ejiri ụdị ọkụ dị iche iche kwekọrọ na ọnụọgụ ngwa ọkụ. Ebe nchekwa ahụ kwesịrị ịnwe akụrụngwa ọgwụgwọ mberede na-ehicha mmiri yana ihe njide kwesịrị ekwesị.
Oge nzipu: Mee-22-2024