Fumaric Acid
Fumaric Acid, raws li cov zaub mov muaj ntxiv, nws yog siv los ua cov kev tswj cov hauv acidity thiab yog hais txog tus lej e297. Fumaric acid yog cov khoom noj acidulent siv txij li xyoo 1946. Feem ntau nws siv rau hauv cov dej haus uas yuav tsum tau muab tso rau kev coj dawb huv. Nws yog feem ntau siv los hloov chaw rau tartaric acid thiab qee zaum hauv tus nqi citric acid rau txhua tus 0.91 grams ntawm 1.36 g ntawm citric acid mus ntxiv rau hauv txoj kev Malic acid yog siv. Nws tseem raug siv los ua kev sib koom ua ke hauv cov pudding pudding sib xyaw.
| Cov khoom | Tus qauv |
| Assay (%) | ≥99.0 |
| Ntxaij | Los ntawm 300 mesh |
| Li ppm | ≤3 |
| Cov hlau hnyav (PB) | 150 Cov Ntaub Ntawv |
| Dej (%) | I≤0.3 |
| Cov txiv neej acid (%) | I≤0.1 |
| Xim (PT-CO) | E≤15 HANDEN |
| Melting point (℃) | 286-289 |
| Solubility (25 ℃) | ≥1.00g / 100ml dej |
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.
