Magaca: | Acid acid |
La mid ah: | Acid Asiidh Dabiici ah;Arg-Tyr-OH·Ac-Phe-Arg-OEt·Lys-Lys-Lys-OH·Trityl-1,2-diaminoethane·WIJS Xalka;Xalka WIJS; WIJS chloride |
CAS: | 64-19-7 |
Formula: | C2H4O2 |
Muuqashada: | Dareere hufan oo aan midab lahayn oo leh ur xun. |
EINECS: | 231-791-2 |
Koodhka HS: | 29152100 |
CAS Maya. | 64-19-7 |
Magaca | Acid acid |
CBN Number | CB7854064 |
qaacidada molecular | C2H4O2 |
Miisaanka molecular | 60.05 |
MOLFile | 64-19-7.mol |
barta dhalaalaysa | 16.2°C ( shid) |
Barta karkarinta | 117-118°C (iftiin) |
Cufnaanta | 1.049g/ml oo ah 25°C (lit.) |
Cufnaanta uumiga | 2.07 ( vs hawada) |
Cadaadiska uumiga | 11.4mm Hg (20°C) |
Tilmaanta refractive | n20/D 1.371 (lit.) |
FEMA | 2006|ACETIC ACIID |
Barta toosan | 104°F |
Xaaladaha kaydinta | Ku kaydi meel ka hooseysa +30°C. |
Solubility | khamriga |
Isku-dhafka aysiidhka (pKa) | 4.74 (waa 25ºC) |
Foomka | Xalka |
Midabka | Midab la'aan |
Cuf-jiid gaar ah | 1.0492 (20ºC) |
Qiimaha PH | 3.91 (1 mM xal);3.39 (10 mM xal);2.88 (100 mM xal); |
Qiimaha Ph ee cabbirka aashitada-saldhigga tilmaame | 2.4 (1.0M xal) |
ur | Udgoon xoog leh, qallafsan, khalka u eg ayaa laga ogaan karaa 0.2 ilaa 1.0 ppm |
Meesha urta | 0.006pm |
Xadka qarxa | 4-19.9% (V) |
Biyuhu milma | Dabeeto |
1.Commonly used reagents analytical, si ballaaran loo isticmaalo dhexdhexaadinta ama acidification.Xalka aan biyaha lahayn ee titration-ka, diyaarinta xalalka kaydinta, isku-darka organic.Wax-soo-saarka pigments, daawooyinka, fiilooyinka acetate, xeryahooda acetyl, iwm Waxa kale oo loo isticmaalaa in lagu milo fosfooraska, baaruud, hydrohalic acid, iwm. Sida wakiilka dhanaan, waxa loo isticmaali karaa sida xawaash ah, diyaarin khal, cunto qasacadaysan, jelly. iyo farmaajo, oo u isticmaal qadar ku habboon hadba baahida wax soo saarka.Waxa kale oo loo isticmaali karaa dhadhamin dhadhamin khamriga koji, iyo qadarka la isticmaalay waa 0.1-0.3g/kg.Waxaa loo isticmaalaa sida dareere ah ee soo saarista caag, balaastiig, midabyo, iwm. Waxa kale oo loo isticmaalaa sida alaabta ceeriin ee soo saarista vinyl acetate, acetate cellulose, mentyl acetate, daawooyinka sawirada, daawooyinka, sunta cayayaanka iyo walxaha kale ee organic.
2.Reagents falanqaynta caadiga ah loo isticmaalo.Xalalka caalamiga ah iyo dareerayaasha titration-ka aan biyaha lahayn.Loo isticmaalo soo saarista acetate, acetate cellulose, daawo, pigments, esters, balaastikada, xawaashyada, iwm.
3.PH qiimaha xakameeyaha.Waxaa loo isticmaali karaa diyaarinta ethyl acetate, diyaarinta fiilooyinka, rinjiyada, xabagta, copolymer resins, iwm., diyaarinta acetic anhydride, chloroacetic acid, glycolic acid iyo pickling warshadaha.
4.Waxaa loo isticmaali karaa pickling warshadaha.Diyaarinta fiilooyinka, dahaarka, xabagta, xabagta copolymer, iwm.
5.It waa walxo ceeriin kiimiko ah oo muhiim ah, kaas oo soo saari kara noocyo kala duwan oo kiimiko ah oo kiimiko ah.Warshadaha dawooyinka waxaa loo isticmaalaa in lagu diyaariyo daawooyin kala duwan, warshadaha dheeha waxaa loo isticmaalaa in lagu sameeyo midabyo kala duwan, iyo warshadaha alaabta synthetic waxaa loo isticmaalaa in lagu farsameeyo noocyo kala duwan oo ah polymers, taas oo ah dhexdhexaad kiimikaad organic muhiim ah.Intaa waxaa dheer, waxaa sidoo kale loo isticmaalaa sida dareerayaasha warshadaha, wakiilada haragga maqaarka, koogulants caag ah, dheeha caws, udgoon macmal ah, reagents kiimikaad, iwm, iyo sidoo kale loo isticmaalo sida acidulants, horumarinta dhadhanka, iwm.
6.Acetic acid waxaa loo isticmaali karaa in qaar ka mid ah xal pickling iyo polishing, in xal acidic daciif ah sida buffers (sida galvanizing, dahaadhay electroless nikkel), in semi-dhalaalaya dahaadhaysa electrolyte nikkel sida daro, in zinc, xal passivation cadmium hagaajin karaa adhesion ah. Filimka passivation, oo sida caadiga ah loo isticmaalo in lagu hagaajiyo pH ee xalinta aashitada daciifka ah, ayaa sidoo kale loo isticmaali karaa sida dareere loogu daro qaar ka mid ah waxyaabaha dabiiciga ah (sida coumarin).
7.Reagents falanqaynta caadiga ah loo isticmaalo, dareerayaasha guud iyo dareerayaasha titration non-aqueous, synthesis organic, synthesis ee pigments iyo daawooyinka.
8. Isticmaalka soo saarista acetate, acetate cellulose, daawada, pigments, esters, balaastikada, xawaashka, iwm.