Barium Chromate 10294-40-3 Whakamahia hei Pigment Anti-waikura
Taipitopito Hua
| Ingoa | Barium chromate |
| nama CAS | 10294-40-3 |
| tātai rāpoi ngota | BaCrO4 |
| Te taumaha ngota | 253.3207 |
| Tau EINECS | 233-660-5 |
| Te rewa | 210 °C (dec.) (marama) |
| Kiato | 4.5 g/mL i te 25 °C (marama) |
| Puka | Paura |
| Te taumahatanga motuhake | 4.5 |
| Tae | Kōwhai |
| Te wairewa | Karekau ki te wai.Wairewa ki te waikawa kaha. |
| Tonu Tauritenga Rerenga | pKsp: 9.93 |
| Te pumau | Eu ana.Kaiwhakaora.Ka kaha te mahi me nga raau whakaheke. |
Nga kupu taurite
Bariumcromate;BariumChromate,Puratronic (MetalsBasis);Bariumchromate:chromicacid,bariumsalt;BARIUMCHROMATE;ci77103;cipigmentyellow31;Chromicacid(H2-CrO4),bariumsalt(1:1);Chromicacid,bariumsalt(1:1)
Nga Ahuatanga matū
E rua nga momo o te barium chrome kowhai, ko tetahi ko te barium chromate [CaCrO4], ko tetahi ko te barium potassium chromate, he tote huinga o te barium chromate me te pāhare chromate.Ko te tauira matū ko BaK2(CrO4)2 ko BaCrO4·K2CrO4.Ko te Chromium Barium Oxide he paura kirīmi-kowhai, ka whakarewahia ki te waikawa pūmāota me te waikawa nitric, he iti rawa te kaha o te tae.Ko te waehere paerewa o te ao mo te barium chromate ko ISO-2068-1972, e hiahia ana kia kaua e iti iho te ihirangi o te barium oxide i te 56% me te ihirangi o te chromium trioxide kaua e iti iho i te 36.5%.Ko te Barium potassium chromate he paura rēmana-kowhai.Nā te pāhare pāporo chromate, he wairewa te wai.Ko 3.65 te kiato whanaunga, 1.9 te taupū whakaahuru, 11.6% te whakauru hinu, me te 300g/L te rahinga motuhake.
Taupānga
Ko te Barium chromate e kore e taea te whakamahi hei poaka tae.Na te mea kei roto he chromate, he rite te paanga ki te konutea chrome kowhai ina whakamahia ki te peita antirust.Ko te Barium potassium chromate e kore e taea te whakamahi hei purakau tae, engari ka taea anake te whakamahi hei whakapuranga anti-waikura, hei whakakapi i tetahi wahanga o te konutea kowhai.Mai i te tirohanga o te ia whanaketanga, ko tetahi noa o nga momo chromate anti-rust pigment e waatea ana i roto i te umanga whakakikorua.
