Cov txheej txheem:
- Yuav siv cov kua qaub twg los ua phom?
- YYuav ua li cas ua nitro cellulose?
- Nitro paj rwb yog dab tsi?
- Puas Guncotton tseem siv?
Video: Cov kua qaub twg siv los ua phom?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Nitrocellulose (tseem hu ua cellulose nitrate, flash paper, flash paj rwb, guncotton, pyroxylin thiab flash hlua, nyob ntawm daim ntawv) yog ib qho hluav taws kub heev uas tsim los ntawm nitrating cellulose los ntawm kev sib xyaw ntawm nitric acid thiab sulfuric acid.
Yuav siv cov kua qaub twg los ua phom?
Cov lus teb raug yog Nitric acid. Nitric acid yog siv los tsim Guncotton. Nitric acid, tseem hu ua aqua fortis thiab tus ntsuj plig ntawm nitre, yog ib qho corrosive mineral acid heev.
YYuav ua li cas ua nitro cellulose?
Nitrocellulose Npaj
- Chill cov kua qaub hauv qab 0 ° C.
- Nyob hauv lub fume hood, sib tov qhov sib npaug ntawm nitric thiab sulfuric acid nyob rau hauv lub beaker.
- Tso cov paj paj rau hauv cov kua qaub. …
- Cia cov tshuaj nitration mus txog li 15 feeb (Schönbein lub sijhawm yog 2 feeb), ces khiav dej txias rau hauv lub beaker kom dilute cov kua qaub.
Nitro paj rwb yog dab tsi?
: cellulose nitrate ua los ntawm paj rwb tshwj xeeb: guncotton.
Puas Guncotton tseem siv?
Guncotton kev tsim khoom tau tso tseg rau ntau dua 15 xyoo kom txog thaum muaj kev nyab xeeb dua tuaj yeem tsim kho. Tus kws tshuaj Askiv Askiv Frederick Augustus Abel tau tsim thawj txheej txheem kev nyab xeeb rau kev tsim phom phom, uas nws tau patented hauv 1865.
Pom zoo:
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Dab tsi ua rau cov kua qaub ua kua qaub?
Ib tug kua qaub yog ib yam khoom uas pub hydrogen ions Vim li no, thaum cov kua qaub yaj hauv dej, qhov sib npaug ntawm hydrogen ions thiab hydroxide ions hydroxide ions Hydroxide yog diatomic anion nrog tshuaj formula OH - Nws muaj cov pa oxygen thiab hydrogen atom tuav ua ke los ntawm ib qho kev sib cog lus, thiab nqa cov hluav taws xob tsis zoo.
