Sodium Benzoate Powder Khoom noj khoom haus qib
Sodium benzoate yog cov khoom siv organic nrog cov tshuaj formula C7H5NaO2.Nws yog dawb granular los yog crystalline hmoov, tsis muaj ntxhiab los yog nrog me ntsis benzoin tsw, me ntsis qab zib, thiab astringent.Kuj hu ua sodium benzoate, qhov txheeb ze molecular loj yog 144.12.Nws ruaj khov hauv huab cua thiab yooj yim soluble hauv dej.Nws cov tshuaj aqueous muaj PH tus nqi ntawm 8, thiab nws yog soluble hauv ethanol.Benzoic acid thiab nws cov ntsev yog dav-spectrum antimicrobial neeg ua hauj lwm, tab sis nws antibacterial kev ua tau zoo nyob ntawm pH ntawm cov zaub mov.Raws li cov acidity ntawm nruab nrab nce, nws cov bactericidal thiab antibacterial teebmeem nce, tab sis nws poob nws bactericidal thiab antibacterial teebmeem nyob rau hauv alkaline xov xwm.Qhov zoo tshaj plaws PH tus nqi rau nws cov kev tiv thaiv corrosion yog 2.5 ~ 4.0.
Yam khoom | Specification |
Acidity & Alkalinity | 0.2ml ib |
Assay | 99.0% min |
Moisture | 1.5% max |
Kev ntsuas dej | Ntshiab |
Heavy hlau (As Pb) | 10 ppm max |
As | 2 ppm max |
Cl | 0.02% max |
Sulfate | 0.10% max |
Carburet | Ua tau raws li qhov yuav tsum tau ua |
Oxide | Ua tau raws li qhov yuav tsum tau ua |
Phthalic acid | Ua tau raws li qhov yuav tsum tau ua |
Xim ntawm kev daws | Y6 |
Total Cl | 0.03% max |
Cia: nyob rau hauv qhuav, txias, thiab ntxoov ntxoo nrog thawj ntim, tsis txhob ya raws, khaws cia ntawm chav tsev kub.
Txee lub neejib: 48oy
Pob: hauv25kg / hnab
kev xa khoom:ces
1. Koj cov nqe lus them nqi yog dab tsi?
T / T lossis L / C.
2. Koj lub sijhawm xa khoom yog dab tsi?
Feem ntau peb yuav npaj cov khoom xa tuaj hauv 7-15 hnub.
3. Yuav ua li cas txog kev ntim khoom?
Feem ntau peb muab cov ntim raws li 25 kg / hnab lossis thawv.Tau kawg, yog tias koj muaj cov cai tshwj xeeb rau lawv, peb yuav ua raws li koj.
4. Yuav ua li cas txog qhov siv tau ntawm cov khoom?
Raws li cov khoom koj xaj.
5. Koj muab cov ntaub ntawv dab tsi?
Feem ntau, peb muab Commerical Invoice, Packing List, Bill of loading, COA, Health certificate thiab Origin certificate.Yog tias koj lub lag luam muaj cov kev cai tshwj xeeb, qhia rau peb paub.
6. Qhov chaw nres nkoj yog dab tsi?
Feem ntau yog Shanghai, Qingdao lossis Tianjin.