D-(+)-Glucono-1,5-lactone CAS 90-80-2
Gluconolactone yog ib qho ester uas lub cev qhuav dej ntawm pawg carboxyl ntawm gluconic acid thiab intramolecular hydroxyl pawg, thiab ib qho ester uas yog lub cev qhuav dej ntawm pawg hydroxyl ntawm tsib (δ) carbon atom, hu ua gluconol-delt-lactone; Cov ester dehydrated nrog pawg hydroxyl ntawm plaub (gamma-txoj hauj lwm) carbon atom hu ua glucono-gamma-lactone. Ib tug siv lead ua. Nws muaj qhov sib txawv qab zib dua li gluconic acid.
| Item | GB7657-87 |
| Gluconolactone cov ntsiab lus | ≥99% |
| Cov ntsiab lus arsenic (As). | ≤ 0.0003% |
| Heavy hlau (Pb) cov ntsiab lus | ≤0.002% |
| Lead (Pb) cov ntsiab lus | ≤ 0.001% |
| Txo cov khoom (D-glucose) cov ntsiab lus | ≤ 0.5% |
| Cov ntsiab lus ntawm sulfate (SO42-). | ≤ 0.03% |
| Calcium (Ca2+) cov ntsiab lus | ≤ 0.03% |
| Cov ntsiab lus ntawm chloride (CT). | ≤ 0.03% |
1983 FAD-pom zoo li cov khoom noj tsis muaj tshuaj lom. Siv los ua zaub mov ntxiv raws li tus neeg sawv cev qaub, siv hauv cov kua txiv hmab txiv ntoo, dej haus thiab jellies; Raws li ib tug coagulant, gluconolactone yog cov khoom noj coagulant tso cai rau siv nyob rau hauv Tuam Tshoj tus GB2760-1996 cov kev cai, rau soybean protein, mis nyuj protein, raws li ib tug tofu coagulant, ntxiv 0.25% mus rau 0.3% nyob rau hauv cov kua mis, piv nrog calcium sulfate, vim cov dej zoo solubility ntawm cov khoom no, muaj peev xwm disperse, feem ntau siv cov mis nyuj calcium desiccant. sulfate; Siv los ua ib tus neeg sawv cev leavening, piv nrog rau lwm cov kua qaub, nws tsis yooj yim rau qhov kub thiab txias, tom qab cua sov rau hauv gluconic acid, thiab tom qab ntawd hnov mob nrog sodium bicarbonate los tsim cov pa roj carbon dioxide npuas, uniform foaming, nplua, tuaj yeem siv ua biscuits, qhob cij thiab lwm yam leavening agents, tshwj xeeb tshaj yog rau ncuav mog qab zib; Siv los ua tus neeg sawv cev chelating los tswj cov pH nqi ntawm cov khoom siv mis nyuj, thiab tuaj yeem tiv thaiv kev tsim cov mis nyuj pob zeb, tiv thaiv kev tsim cov pob zeb npias; Nws kuj tseem siv tau los ua cov tshuaj txhuam hniav ntxiv los pab tshem tawm cov tartar, vim tias cov khoom no tuaj yeem hnov mob nrog kev kho hniav; Nws kuj tseem tuaj yeem siv los ua tus neeg saib xyuas kev txhim kho duab, stabilizer thiab stimulus reliever rau cov vitamins hauv tshuaj thiab tshuaj pleev ib ce; Npuag nplaum additive; Additives rau detergents; Tus neeg saib xyuas lub raj mis; Hlau nto ntxuav tus neeg saib xyuas ua ntej electroplating.
25kg / hnab
D-(+)-Glucono-1,5-lactone CAS 90-80-2
D-(+)-Glucono-1,5-lactone CAS 90-80-2
