ʻO Barium Chromate 10294-40-3 i hoʻohana ʻia ma ke ʻano he ʻano ʻano anti-rust
Huahana Huahana
| inoa | Barium chromate |
| Helu CAS | 10294-40-3 |
| ʻAno molekala | BaCrO4 |
| Kaumaha molekula | 253.3207 |
| Helu EINECS | 233-660-5 |
| Lae hehee | 210 °C (Dek.) (kumu) |
| ʻO ka mānoanoa | 4.5 g/mL ma 25 °C (māmā) |
| Puka | Pauda |
| Kaumaha kiko | 4.5 |
| kalakala | Melemele |
| Ka hoʻoheheʻe wai | ʻAʻole hiki ke hoʻonā i ka wai. Hiki ke hoʻoheheʻe ʻia i loko o nā ʻakika ikaika. |
| Kaulike ka ua | pKsp: 9.93 |
| Paʻa | Paʻa. Mea hoʻoheheʻe. Hiki ke hana ikaika me nā mea ho'ēmi. |
Nā huaʻōlelo like
Bariumcromate;BariumChromate,Puratronic (MetalsBasis);Bariumchromate:chromicacid,bariumsalt;BARIUMCHROMATE;ci77103;cipigmentyellow31;Chromicacid(H2-CrO4),bariumsalt(1:1);Chromicacid,bariumsalt(1:1)
Na Waiwai Kemika
ʻElua ʻano o ka barium chrome melemele, hoʻokahi ka barium chromate [CaCrO4], a ʻo kekahi ʻo ka barium potassium chromate, ʻo ia ka paʻakai hui o ka barium chromate a me ka potassium chromate. ʻO ke kumu kemika ʻo BaK2(CrO4)2 a i ʻole BaCrO4·K2CrO4. ʻO Chromium Barium Oxide kahi pauka ʻālika-melemele, hiki ke hoʻoheheʻe ʻia i loko o ka waika hydrochloric a me ka waikawa nitric, me ka ikaika haʻahaʻa haʻahaʻa. ʻO ISO-2068-1972 ka pae honua maʻamau no ka barium chromate, e koi ana i ka ʻike o ka barium oxide ʻaʻole i emi iho ma mua o 56% a ʻo ka ʻike o ka chromium trioxide ʻaʻole i emi ma lalo o 36.5%. ʻO ka Barium potassium chromate ka pauka lemon-melemele. Ma muli o ka potassium chromate, loaʻa iā ia kekahi mea hoʻoheheʻe wai. He 3.65 kona mānoanoa pili, he 1.9 kona helu ho'opa'a 'ana, he 11.6% ka ho'ohana 'aila, a he 300g/L kona nui kiko'ī.
Palapala noi
ʻAʻole hiki ke hoʻohana ʻia ka Barium chromate ma ke ʻano he puaʻa kala. No ka mea he chromate kona, he like kona hopena me ka zinc chrome melemele ke hoʻohana ʻia i ka pena antirust. ʻAʻole hiki ke hoʻohana ʻia ka Barium potassium chromate e like me ka puaʻa kala, akā hiki ke hoʻohana ʻia ma ke ʻano he puaʻa anti-rust, hiki ke hoʻololi i kahi ʻāpana o ka zinc melemele. Mai ka hiʻohiʻona o ka ulu ulu ʻana, ʻo ia wale nō kekahi o nā ʻano o nā puaʻa anti-rust chromate i loaʻa i ka ʻoihana uhi.
