Ethyl Vanillin
Ko te Ethyl vanillin te pūhui waro me te tātai (C2H5O)(HO)C6H3CHO.Ko tenei totoka taekore he mowhiti benzene me nga roopu hydroxyl, ethoxy, me te formyl kei runga i nga tuunga 4, 3, me te 1.
Ko te Ethyl vanillin he ngota ngota waihanga, kaore i kitea i te taiao.Ka mahia ma te maha o nga kaupae mai i te catechol, ka tiimata mai i te ethylation ki te hoatu "guethol".Ko tenei etera ka whakapoapoa ki te waikawa glyoxylic hei whakaputa i te pärönaki waikawa mandelic e rite ana, na te whakapouritanga me te decarboxylation ka puta te ethyl vanillin.
Hei kakara, ko te ethyl vanillin e toru nga wa te kaha ake i te vanillin, ka whakamahia ki te hanga tiakarete.
Nga taonga | Paerewa |
Te ahua | He kiripiri ma, he kowhai paku ranei |
Te kakara | Ko te ahua o te vanilla, he kaha ake i te vanillin |
Wairewa | Ko te 1 karamu o te ethyl vanillin me whakarewa ki te 2ml 95% ewaro, me te wairewa marama. |
Pure (Tuapapa maroke, HPLC) | 99% Min |
Ngaronga i te whakamaroke | 0.5% Max |
Ira Whakarewa (℃) | 76.0- 78.0 |
Arsenic (As) | 3 mg/kg Max |
Konga Taamaha (hei Pb) | 10 mg/kg Max |
Te toenga i runga i te mura | 0.05% Max |
Rokiroki: i roto i te wahi maroke, matao, marumaru me te takai taketake, karo i te makuku, rokiroki i te pāmahana rūma.
Te Ora Papa: 48 marama
Mōkī:i roto25kg/pueke
tukunga:tere
1. He aha o tikanga utu?
T/T ranei L/C.
2. He aha to wa tuku?
I te nuinga o te waa ka whakaritea e matou te tuku i roto i nga ra 7 -15.
3. Me pehea te tarapi?
I te nuinga o te waa ka whakaratohia e matou te kapi hei 25 kg / peeke, kaata ranei.Ko te tikanga, mena he whakaritenga motuhake taau mo enei, ka rite taatau ki a koe.
4. Me pehea te mana o nga hua?
E ai ki nga hua i whakahaua e koe.
5. He aha nga tuhinga ka tukuna e koe?
I te nuinga o te wa, ka whakaratohia e matou he nama hokohoko, he Rarangi Taapapa, Pire o te utaina, COA, Tiwhikete Hauora me te Tiwhikete Taketake.Mena he whakaritenga motuhake to maakete, me mohio mai.
6. He aha te tauranga uta?
Ko te tikanga ko Shanghai, Qingdao, Tianjin ranei.