Vitamin B3 (Nicotinamide)
Nicotinamide, tseem hu ua Niacinamide thiab Nicotinic Fedide, yog txoj kev ntawm nicotinic acid. Nicotinamide yog dej-solubble vitamin thiab yog ib feem ntawm cov vitamin B koom tes.
| Cov khoom | Kev qhia tshwj xeeb |
| Kev tshwm sim | Dawb crystalline hmoov |
| Daim qhia npe | Kuaj A (IR) |
| Xeem ntawv B (UV) piv: A245 / A262, ntawm 0.63and 0.67 | |
| Lam xav | 98.5% - 101.5% |
| Melting taw tes | 128.0 - 131.0 ° C |
| Poob rau ziab | 0.5% max |
| Residue ntawm ignition | 0.1% Max |
| Cov hlau hnyav | 20 PPM Max |
Chaw ntim khoom: Hauv qhuav, txias, thiab duab ntxoo nrog thawj ntim, zam kev ya raws, khaws cia ntawm chav tsev kub.
Txee lub neej: 48 hlis
Pob: Hauv25kg / hnab
kev xa mus: Sai
1. Dab tsi yog koj cov lus them nqi?
T / T lossis L / C.
2. Dab tsi yog koj lub sijhawm khoom xa tuaj?
Feem ntau peb yuav npaj cov zaub mov xa tuaj hauv 7 -15 hnub.
3. Yuav ua li cas txog cov pob?
Feem ntau peb muab cov ntim li 25 kg / hnab lossis thawv. Yog lawm, yog tias koj muaj kev tshwj xeeb rau lawv, peb yuav raws li koj.
4. Yuav ua li cas txog qhov siv tau ntawm cov khoom lag luam?
Raws li cov khoom koj tau txiav txim.
5. Cov ntaub ntawv twg koj muab?
Feem ntau, peb muab cov ntawv sau qhia ua ke, cov thawv ntim, daim nqi chaw thau khoom, COA, daim ntawv pov thawj kev noj qab haus huv thiab daim ntawv pov thawj kev noj qab haus huv. Yog tias koj lub khw muaj cov kev cai tshwj xeeb, qhia rau peb paub.
6. Dab tsi yog chaw thau khoom?
Feem ntau yog Shanghai, Qingdao lossis Tianjin.
