The two companies are integrated enterprises specialized in the production of spice, API, leather, building chemical products, and rubber. We have rich production experience, advanced production equipment, considerable technological force to produce products of top class quality. Our production and business concept is "service and credit first". We have invested 25 million RMB yuan in our companies and have totally 108 employees, 25% of whom are medium-level and senior technicians. We produce series products of Purple Mink brand including the spice: Raspberry ketone, Piperonal, Anisaldehyde, 99% isosafrole, 99% safrole; APIs: Diphenylmethanol, 4-Octyloxyphenol, 2,3-Dihydrofuran; leather chemical products: XD Alkaline chromium sulphate, XD Liming agent; building materials: productivity of 15000 tons of naphthalene series high-efficient high-concentration water reducing agent and 8000 tons of environment-friendly aliphatic water reducing agent; rubber chemical products: F101 Composite resin rubber sulfidizer. The annual sales amount is 80 million RMB.

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Optimum conditions for the treatment of wastewater from piperonal production with Fenton reagent were determined through experiments.

通過(guò)試驗(yàn)，確定了Fenton試劑法處理洋茉莉醛生產(chǎn)廢水的最佳條件是：pH為3.0伊人久久大香焦，H2O2與Fe2+的最佳摩爾比為10∶1狼友视频在线观看2019高清，每200mL廢水需H2O2(30%)的最佳用量為20mL。

More than 95% of our medicine intermediate products such as Raspberry ketone, Piperonal are exported to Europe, America and Southeast Asia, etc, and are enjoying high reputation in international market. And we have obtained self-support import and export rights.

覆盆子酮内地自拍日韩精品视频下载大全网站、洋茉莉醛等醫(yī)藥中間體產(chǎn)品95%以上出口亚洲色天堂网，遠(yuǎn)銷歐美及東南亞各國(guó)，在國(guó)外市場(chǎng)上享有盛譽(yù)0464信息网，公司并擁有自營(yíng)進(jìn)出口權(quán)欧美一级欧美。

Which doesn't pollute environmen t.This method for synthesis of 4-(1,3-benze-dioxole)-3-buten-2-one uses Claison -Schmidt reaction of piperonal and acetone between wate r phase and organic phase.

這種不污染環(huán)境的合成方法是用洋茉莉醛 [1 2 0 - 57- 0 ]與丙酮 [6 7- 6 4 - 1 ]在水相和有機(jī)相之間進(jìn)行克萊森-施密特反應(yīng)；產(chǎn)物分離后有機(jī)層循環(huán)再用精品久久黄色视频，水層經(jīng)過(guò)活性炭吸附處理后也循環(huán)使用在线观看一级视频免费，做到了無(wú)試驗(yàn)廢水排放。

We are the only manufacturer of Piperonal through rauvite natrium oxidizing production low, and its annual output is 120 tons. We are also the only manufacturer of Raspberry ketone through phenol production line, and its annual output is 200 tons. The curatorial intermediate, F101 Composite resin rubber sulfidizer, and high molecular materials are new and high-tech products first developed in China with the quality reaching international level. The leather chemical product-basic chromium sulphate has won the Scientific and Technological Reward of Suzhou City, and has been taken as reference for The Ministry of Science and Technology of The PRC formulating standard.

年銷售8000萬(wàn)元福利视频八区，其中香料產(chǎn)品洋茉莉醛用紅礬鈉氧化法生產(chǎn)線玖玖视屏免费在线观看，目前國(guó)內(nèi)獨(dú)此一家欧美最新性交，年產(chǎn)量達(dá)120噸；覆盆子酮用苯酚路線生產(chǎn)的產(chǎn)量達(dá)200噸國(guó)內(nèi)獨(dú)此一家niuav25.com；醫(yī)藥中間體黄网站男人永久免费，橡膠類F101復(fù)合樹(shù)脂硫化劑，高分子材料類屬高新技術(shù)產(chǎn)品亚洲性爱视频网，國(guó)內(nèi)首創(chuàng)美女一级一级A一级免黄，質(zhì)量達(dá)到國(guó)際水平；皮革化工"堿式硫酸鉻"等獲得蘇州市科技成果獎(jiǎng)1级在线，并參與國(guó)家技術(shù)部制定標(biāo)準(zhǔn)欧美一级婬片A片久久。

Keywords piperonal;acetone;synthesis;claisen-schmidt reaction;4-（1;3-benzedioxole）-3-buten-2-one

洋茉莉醛；丙酮欧美性爱AAAAA片；胡椒烯丙酮cao免费视频；合成；克萊森-施密特反應(yīng)

Main production and management projects: piperonyl butoxide, Piperonal aldehyde, C Piperonyl aldehyde, PMK, eucalyptus oil, according to pituitrin, citral, ionone, cubeba oil, Geranium oil, 99 % natural a bit terpineol, pine oil acetate, sassafras oil, natural spices; run: Fragrance, tobacco flavor, food flavor, natural flavor essence seasoning products.

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Nevertheless, the process is complicated and yield of heliotropine (less than 85%)needs to be improved.

洋茉莉醛和黃樟油的市場(chǎng)價(jià)格昂貴日韩在线不卡免费视频一区，通過(guò)研究以提高洋茉莉醛的收率黄片污A片在线观看欧美，對(duì)于工業(yè)化生產(chǎn)具有重要意義。

This paper discussed the property, aroma characteristic and application of heliotropin and reviewed its different kinds of synthetic routes.

概述了洋茉莉醛的性質(zhì)在线观看的黄、香氣特征及其應(yīng)用无码免费婬AA片在线视，綜述了采用各種起始原料的洋茉莉醛合成工藝路線，并對(duì)合成洋茉莉醛生產(chǎn)的發(fā)展提出了建議欧美视频黄网。

Synthesis of Heliotropin;2. ation of heliotropin and reviwed its synthetic routes and suggested its development direction.

概述了洋茉莉醛的物理国产精品久久久久久久三级、化學(xué)性質(zhì)及應(yīng)用白色白色白色在线观看平台，綜述了洋茉莉醛的合成工藝路線，并對(duì)它的發(fā)展方向提出了建議欧美人妻区精品视频。