Cov khoom
Ammonium Oxalate Monohydrate
Qhov tsos dawb particle
Tsis hnov tsw
Cov mis mos molecular (NH4) 2C2O4 · H2O
Molecular hnyav 142.11
CAS: 6009-70-7
Refractive index: 1.439,
Qhov ceev: 1.5885g / mL
pH 6.4 0.1M aq.sol
Melting Point / Ntau 70 ° C / 158 ° F
Solubility Soluble nyob rau hauv dej, me ntsis soluble nyob rau hauv ethanol, cov tshuaj yog acidic,
Decomposition kub> 70 ° C
Siv: Raws li kev tshuaj ntsuam reagent, organic synthesis intermediate.
Cov ntaub ntawv kev thauj mus los: tsis raug tswj raws li cov khoom siv phom sij.
Kev tuav: Hnav cov khoom tiv thaiv tus kheej.Xyuas kom muaj qhov cua txaus.Tsis txhob tsim cov hmoov av.Tsis txhob mus rau ntawm qhov muag, ntawm daim tawv nqaij, lossis ntawm khaub ncaws.Tsis txhob noj thiab nqus pa.
Cia: Khaws cov thawv kaw kom nruj rau hauv qhov chaw qhuav, txias thiab zoo-ventilated.
| SN | Yam khoom | Specification |
| 1 | Assay [(NH4)2C2O4· H2O] w/% ≥ | 99.5 ua |
| 2 | pH (50g / L, 25 ℃) | 6.0-7.0 Nws |
| 3 | Clarity Test/No ≤ | 6 |
| 4 | Insoluble Substances, w/% ≤ | 0.015 ib |
| 5 | Chlorides (Cl), w/% ≤ | 0.002 ib |
| 6 | Sulfates (SO4), w/% ≤ | 0.02 ib |
| 7 | Sodium (Na), w/% ≤ | 0.005 ib |
| 8 | Magnesium (Mg), w/% ≤ | 0.005 ib |
| 9 | Potassium (K), w/% ≤ | 0.005 ib |
| 10 | Calcium (Ca), w/% ≤ | 0.005 ib |
| 11 | Hlau (Fe), w/% ≤ | 0.001 ib |
| 12 | Cov hlau hnyav (As Pb), w/% ≤ | 0.0015 |
| 13 | Particle loj, D50, ≤ | 2m ua |
Sau ntawv
1) tag nrho cov ntaub ntawv kev qhia saum toj no yog rau koj siv.
2) lwm qhov tshwj xeeb yog txais tos rau kev sib tham ntxiv.
Kev Lag Luam Ntau
Dhau li ntawm chlorate thiab perchlorate, peb tau tsim kev lag luam hauv kev lag luam pyrotechnical, nrog rau ntau yam kev qhia tshwj xeeb ntawm nitrate, hlau hmoov, propellant-related additives thiab lwm yam rau kev siv sib txawv.
Peb qhov zoo dua
Cov lus teb raws sij hawm, kev ua tau zoo, kev nyab xeeb thiab zoo heev yog cov yam ntxwv tseem ceeb uas peb yuav tsum yeej qhov kev sib tw hauv kev ua lag luam.
Peb Lub Hom Phiaj
Kev ua lag luam kev vam meej tag kis txhais tau tias tsim kom muaj txiaj ntsig zoo rau ib puag ncig thiab tib neeg uas peb nyob, thiab rau kev lag luam uas peb mob siab rau.Peb xav kom loj hlob sai thiab noj qab nyob zoo ib xyoos ib zaug thiab yog li kev lag luam vam meej thiab muaj txiaj ntsig.
