Wolframic Acid Cas 7783-03-1 Tungstic Acid nrog Hoobkas nqi
Kev taw qhia luv luv
Khoom npe:Tungstic Acid
Lwm lub npe:Wolframic Acid
CAS Nr:.7783-03-1 : kuv
MF: Bi(NO3) 3.5H2O
PIB: 485.07
PEB: 600-076-0
HS Code: 2834299090
Tus qauv qauv:
Wolframic AcidCas7783-03-1 : kuv Tungstic Acidnrog Hoobkas nqi
Daim ntawv thov
1. Siv nyob rau hauv mordants, analytical reagents, catalysts, dej kho tshuaj, ua fireproof thiab waterproof cov ntaub ntawv, raws li zoo raws li phosphotungstate thiab borotungstate.
2. Siv los ua hlau tungsten, tungstic acid, tungstate, thiab lwm yam.
Specification
| Lub npe | Tungstic acid |
| Lwm lub npe | Wolframic Acid |
| Tshuaj formula | H2WO 4 |
| Molecular hnyav | 249.86 ib |
| CAS Registry Number | 7783-03-1 : kuv |
| EINECS tus lej nkag | 231-975-2 : kuv |
| Melting point | 100 |
| Boiling point | 1473 ib |
| Dej solubility | soluble nyob rau hauv hydrofluoric acid, maj mam soluble nyob rau hauv caustic alkali tov, insoluble nyob rau hauv dej thiab lwm yam acids |
| Qhov ntom | 5.5 |
| Sab nraud saib | Nws tuaj yeem muaj nyob hauv ntau lub xeev. Yellow hmoov los yog siv lead ua, thiab lwm yam. |
| Flash point | 1473 ib |
| siv | 1. Siv nyob rau hauv mordants, analytical reagents, catalysts, dej kho chemicals, ua fireproof thiab waterproof khoom, thiab Raws li phosphotungstate thiab borotungstate. 2. Siv los ua hlau tungsten, tungstic acid, tungstate, thiab lwm yam. 3. Siv rau hauv mordant, pigment, dye, number case. 4. Kev lag luam textile yog siv los ua cov khoom hnyav hnyav. Cov khoom no yog siv los ua ib qho kev pabcuam ntaub. Kev sib xyaw ntawm tungstic acid, ammonium sulfate thiab ammonium phosphate, thiab lwm yam yog siv rau fiber ntau tiv thaiv thiab waterproofing. Cov fiber ntau no tuaj yeem ua tau rau hauv hluav taws-resistant rayon thiab rayon. Nws kuj tseem siv tau rau tawv tanning. 5. Siv rau anticorrosion ntawm electroplating txheej. 6. Nws tuaj yeem siv los ua cov tshuaj sib xyaw ua ke los qhia cov xim enamel kom txo qhov kub thiab txias thiab ntxiv cov xim. 7. Siv nyob rau hauv kev tsim cov roj av kev lag luam thiab aviation thiab aerospace cov ntaub ntawv. |
