CAS Nr .: 7446-19-7
Molecular Formula: ZnSO4 · H2O
Molecular Luj: 179.45
Txuj: FCC / USP
Product Code yog RC.03.04.196328
Nws yog cov zaub mov ntshiab qib cov zaub mov ua los ntawm cov txheej txheem tshuaj tsuag kom qhuav ntawm zinc sulphate heptahydrate.
Zinc ua lub luag haujlwm tseem ceeb hauv koj txoj kev noj qab haus huv - nws cov teebmeem physiological ntau los ntawm kev txhawb nqa kev noj qab haus huv ntawm cov hlab ntsha mus rau kev txhawb nqa kev loj hlob.Ntau yam khoom noj hauv koj cov zaub mov, xws li cov ntses plhaub, chickpeas thiab cashews, txhawb koj cov zinc kom tsawg, tab sis noj cov tshuaj zinc tuaj yeem pab xyuas kom koj tau txais tag nrho cov zinc koj lub cev xav tau.Zinc sulfate - ib daim ntawv ntawm zinc feem ntau pom nyob rau hauv cov khoom noj.
Chemical-Physical Parameters | RICHEN | Tus nqi |
Kev txheeb xyuas | Zoo rau zinc thiab sulfate | Qhov zoo |
Assay(as ZnSO4·H2O) | 99.0% ~ 100.5% | 99.3% |
Acidity | xeem dhau | Ua raws |
Poob rau ziab | Max.1.0% | 0.16% |
Alkalies thiab Alkaline Earths | Max.0.5% | 0.30% |
Lead (Pb) | Max.3 mg/kg | Tsis pom (<0.02mg/kg) |
Mercury (Hg) | Max.0.1 mg / kg | Tsis pom (<0.003mg/kg) |
Arsenic (As) | Max.1 mg/kg | 0.027 mg/kg |
Cadmium (Cd) | Max.1 mg/kg | Tsis pom (<0.001mg/kg) |
Selenium (zeeg) | Max.0.003% | Tsis kuaj pom (<0.002mg/kg) |
Microbiological Parameters | RICHEN | Hom Value |
Tag nrho cov phaj suav | ≤1000CFU / g | <10 cfu/g |
Coliforms | Max.10 cfu/g | <10 cfu/g |
Salmonella / 10g | Tsis muaj | Tsis muaj |
Enterobacteriaceae/g | Tsis muaj | Tsis muaj |
E.coli/g | Tsis muaj | Tsis muaj |
Stapylocuccus Aureus/g | Tsis muaj | Tsis muaj |
Yeasts & Pwm | Max.50 cfu/g | <10 cfu/g |