Ethyl Vanillin
ʻO ka Ethyl vanillin ka pūhui olaola me ke ʻano (C2H5O)(HO)C6H3CHO.ʻO kēia paʻa kala ʻole he apo benzene me nā pūʻulu hydroxyl, ethoxy, a me formyl ma nā kūlana 4, 3, a me 1.
ʻO Ethyl vanillin kahi mole synthetic, ʻaʻole i loaʻa ma ke ʻano.Hoʻomākaukau ʻia ma o nā ʻanuʻu he nui mai ka catechol, e hoʻomaka me ka ethylation e hāʻawi i ka "guethol".Hoʻopili kēia etera me ka waikawa glyoxylic e hāʻawi i ka derivative mandelic acid, a ma o ka oxidation a me ka decarboxylation e hāʻawi ai i ka ethyl vanillin.
Ma ke ʻano he mea ʻono, ʻoi aku ka ikaika o ka ethyl vanillin e like me ka vanillin a hoʻohana ʻia i ka hana kokoleka.
| Nā mea | Nā kūlana |
| Ka nana aku | Keokeo maikai a melemele iki paha |
| ʻala | ʻO ke ʻano o ka vanilla, ʻoi aku ka ikaika ma mua o ka vanillin |
| Ka hoʻoheheʻe | Pono e hoʻoheheʻe ʻia ka 1 gram o ka ethyl vanillin i loko o 2ml 95% ethanol, a maopopo ka hopena. |
| Maʻemaʻe (Ke kumu maloʻo, HPLC) | 99% Min |
| Nalo ma ka maloo | 0.5% Max |
| Lae hehee (℃) | 76.0- 78.0 |
| Arsenic (As) | 3 mg/kg Max |
| Nā Metala Kaumaha (e like me Pb) | 10 mg/kg Max |
| Ke koena ma ka ʻā | 0.05% Max |
Waihona: ma kahi maloʻo, ʻoluʻolu, a malu hoʻi me ka ʻeke kumu, pale i ka makū, mālama i ka lumi wela.
Ola Pahu: 48 mahina
Pūʻolo:ma25kg/ʻeke
hāʻawi ʻana:wikiwiki
1. He aha kāu mau ʻōlelo uku?
T/T a i ole L/C.
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3. Pehea e pili ana i ka paʻi?
Hāʻawi maʻamau mākou i ka paʻi ʻana e like me 25 kg / ʻeke a pahu pahu.ʻOiaʻiʻo, inā loaʻa iā ʻoe nā koi kūikawā ma luna o lākou, e hana mākou e like me ʻoe.
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ʻO ka maʻamau ʻo Shanghai, Qingdao a i ʻole Tianjin.
