Zoo Selenious acid CAS 7783-00-8 kev muag khoom
Khoom npe: Selenous acid
Cov tshuaj formula: H2SeO3
Molecular Luj: 128.974
CAS:7783-00-8 ib
IB: 231-974-7
Selenious acid yog ib qho inorganic compound, cov tshuaj formula yog H2SeO3, yog cov pa uas muaj cov kua qaub ntawm selenium, tsis muaj xim los yog dawb crystalline hmoov, soluble nyob rau hauv dej, yooj yim soluble nyob rau hauv ethanol, insoluble nyob rau hauv ammonia, tsuas yog siv raws li ib tug analytical reagent, kuj yuav siv tau raws li ib tug txo tus neeg sawv cev los yog oxidant, kuj yuav siv tau cov xim rau reagent.
| Khoom npe | Selenious acid |
| CAS Nr. | 7783-00-8 ib |
| Cov khoom | Txuj |
| Qhov tshwm sim | Dawb hmoov |
| H2SeO3 | ≥98% |
| Cl | ≤ 0.005% |
| Pb | ≤ 0.005% |
| Fe | ≤ 0.005% |
| Selenate thiab sulfate | ≤0.1% |
| Ignition residue | ≤0.01% |
| Organic volatile impurities | tsim nyog |
| Kev ntsuas dej dissolution | tsim nyog |
Shanghai Zoran Tshiab Khoom Co., Ltd yog nyob rau hauv lub chaw lag luam-Shanghai. Peb ib txwm ua raws li "Cov ntaub ntawv qib siab, lub neej zoo dua" thiab pawg neeg tshawb fawb thiab txhim kho thev naus laus zis, kom nws siv rau tib neeg lub neej txhua hnub kom peb lub neej zoo dua. Peb tau cog lus los muab cov khoom siv tshuaj zoo tshaj plaws nrog tus nqi tsim nyog tshaj plaws rau cov neeg siv khoom thiab tau tsim lub voj voog ua tiav ntawm kev tshawb fawb, kev tsim khoom, kev lag luam thiab kev pab cuam tom qab muag. Lub tuam txhab cov khoom tau raug muag rau ntau lub teb chaws thoob ntiaj teb. Peb txais tos cov neeg siv khoom thoob ntiaj teb tuaj xyuas peb lub Hoobkas thiab tsim kom muaj kev koom tes zoo ua ke!
Q1: Koj puas yog Chaw Tsim Khoom lossis Lag Luam Lag Luam?
Peb yog ob leeg. peb muaj peb lub Hoobkas thiab R & D chaw. Tag nrho peb cov neeg siv khoom, los ntawm tsev lossis txawv teb chaws, zoo siab tos txais tuaj xyuas peb!
Q2: Koj puas tuaj yeem muab kev pabcuam kev cai sib xyaw?
Yog lawm, tau kawg! Nrog peb pab pawg neeg muaj zog ntawm cov neeg mob siab rau thiab cov neeg txawj ntse peb tuaj yeem ua tau raws li qhov xav tau ntawm peb cov neeg siv khoom thoob ntiaj teb, los tsim kho cov catalyst tshwj xeeb raws li cov tshuaj tiv thaiv sib txawv, - ntau zaus hauv kev koom tes nrog peb cov neeg siv khoom - uas yuav ua rau koj txo koj cov nqi khiav lag luam thiab txhim kho koj cov txheej txheem.
Q3: Koj lub sijhawm xa khoom ntev npaum li cas?
Feem ntau nws yuav siv sij hawm 3-7 hnub yog tias cov khoom muaj nyob hauv Tshuag; Kev txiav txim ntau yog raws li cov khoom thiab qhov ntau.
Q4: Txoj kev xa khoom yog dab tsi?
Raws li koj xav tau. EMS, DHL, TNT, FedEx, UPS, huab cua thauj, hiav txwv thauj thiab lwm yam. Peb kuj tuaj yeem muab kev pabcuam DDU thiab DDP.
Q5: Koj cov nqe lus them nqi yog dab tsi?
T / T, Western union, Credit card, Visa, BTC. Peb yog cov chaw muag khoom kub hauv Alibaba, peb lees txais koj them nws ntawm Alibaba Trade Assurance.
Q6: Koj ua li cas kho qhov kev tsis txaus siab?
Peb cov qauv tsim khoom nruj heev. Yog tias muaj teeb meem zoo tiag tiag los ntawm peb, peb yuav xa cov khoom dawb rau koj los hloov lossis rov qab koj cov nyiaj poob.
