Barium Chromate 10294-40-3 Ti a lo bi Pigment Anti-ipata
Apejuwe ọja
| Oruko | chromate Barium |
| nọmba CAS | 10294-40-3 |
| Ilana molikula | BaCrO4 |
| Ìwúwo molikula | 253.3207 |
| Nọmba EINECS | 233-660-5 |
| Ojuami yo | 210°C (oṣu kejila) (tan.) |
| iwuwo | 4.5 g/mL ni 25 °C (tan.) |
| Fọọmu | Lulú |
| Specific walẹ | 4.5 |
| Àwọ̀ | Yellow |
| Omi solubility | Ailopin ninu omi.Tiotuka ninu awọn acids ti o lagbara. |
| Iwontunwonsi ojoriro Constant | pKsp: 9.93 |
| Iduroṣinṣin | Idurosinsin.Oxidizer.Le fesi ni agbara pẹlu idinku awọn aṣoju. |
Awọn itumọ ọrọ sisọ
Bariumcromate; BariumChromate, Puratronic (MetalsBasis); Bariumchromate: chromicacid, bariumsalt; BARIUMCHROMATE; ci77103; cipigmentyellow31; Chromicacid (H2-CrO4), bariumsalt (1: 1); Chromicacid, bariumsalt (1: 1)
Kemikali Properties
Iru meji ti barium chrome ofeefee lo wa, ọkan jẹ barium chromate [CaCrO4], ati ekeji jẹ barium potasiomu chromate, eyiti o jẹ iyọ ti barium chromate ati potasiomu chromate.Ilana kemikali jẹ BaK2 (CrO4) 2 tabi BaCrO4 · K2CrO4.Chromium Barium Oxide jẹ ọra-ofeefee lulú, tiotuka ni hydrochloric acid ati nitric acid, pẹlu lalailopinpin kekere tinting agbara.Koodu boṣewa kariaye fun barium chromate jẹ ISO-2068-1972, eyiti o nilo pe akoonu ti barium oxide ko kere ju 56% ati akoonu ti chromium trioxide ko kere ju 36.5%.Barium potasiomu chromate jẹ lẹmọọn-ofeefee lulú.Nitori potasiomu chromate, o ni diẹ ninu omi solubility.Iwuwo ojulumo rẹ jẹ 3.65, atọka itọka rẹ jẹ 1.9, gbigba epo rẹ jẹ 11.6%, ati iwọn didun ti o han gbangba jẹ 300g/L.
Ohun elo
Barium chromate ko le ṣee lo bi awọ awọ.Nitoripe o ni chromate, o ni ipa kanna si ofeefee chrome zinc nigba lilo ninu awọ antirust.Barium potasiomu chromate ko le ṣee lo bi awọ awọ, ṣugbọn o le ṣee lo nikan bi awọ-ara ipata, eyiti o le rọpo apakan ti ofeefee zinc.Lati irisi aṣa idagbasoke, o jẹ ọkan ninu awọn oriṣiriṣi ti awọn pigments egboogi-ipata chromate ti o wa ni ile-iṣẹ ti a bo.
