三级片视频播放,精品三级片在线观看,A级性爱视频,欧美+日韩+国产+无码+小说,亲子伦XX XX熟女,秋霞最新午夜伦伦A片黑狐,韩国理伦片漂亮的保拇,一边吃奶一边做边爱完整版,欧美放荡性护士videos

您好, 歡迎來到化工儀器網

| 注冊| 產品展廳| 收藏該商鋪

400-630-6902

news

首頁   >>   公司動態   >>   每周分享1.8

麥克默瑞提克(上海)儀器...

立即詢價

您提交后,專屬客服將第一時間為您服務

每周分享1.8

閱讀:789      發布時間:2016-1-8
分享:

今天給大家分享的是20154月份《Original Paperl》上發表的一篇名為:Synthesis of amino-functionalized mesoporous materials with environmentally friendly surfactants by evaporation-induced self-assembly and their application to the adsorption of lead(II) ions

文章摘要如下:

Five amino-functionalized mesoporous materials were directly synthesized by an evaporation-induced self-assembly method. A series of environmentally friendly surfactants as templates were used, including dimethyl dioctadecyl ammonium bromide, polyethylene glycol (PEG), alkyl polyglucoside, and cetyl dimethyl betaine, in order to reduce damage to the environment in templates elution during the synthesis process. These samples were found to have two-dimensional hexagonal mesoporous structures and worm-like pores characterized by small-angle X-ray diffraction and transmission electron microscopy. Larger mesoporous pore sizes (9.8–17.9 nm) and pore volumes (0.443–0.652 cm3 g−1) were determined by N2 adsorption–desorption. Amino-functional groups were modified onto mesoporous materials, which were proved by fourier transform infrared spectroscopy and elemental analysis. PEG-S (synthesized by PEG) had the biggest pore size (17.9 nm), the highest nitrogen content (4.237 %) and relatively large pore volume (0.507 cm3 g−1) among five samples. Adsorption of Pb(II) onto five mesoporous samples differed greatly at initial concentration ranging from 0.3 to 2.6 mmol L−1. PEG-S had largest adsorption capacity, with maximum adsorption capacity being 1.166 mmol g−1 (241.36 mg g−1) in initial 1.6 mmol L−1 Pb(II) concentration. PEG is nontoxic and readily biodegradable, and PEG-S displayed the maximum adsorption capacity in the study. Therefore, PEG-S samples were selected for processing lead ions. Then further study was made to investigate lead ions adsorption isotherm, the effect of pH value on the adsorption, as well as the reuses of adsorbents.該文章中材料表征采用的是美國麥克儀器ASAP 2460

詳情可參考下面鏈接:

http://link.springer.com/article/10.1007/s10853-015-8832-4

產品展示

會員登錄

請輸入賬號

請輸入密碼

=

請輸驗證碼

收藏該商鋪

標簽:
保存成功

(空格分隔,最多3個,單個標簽最多10個字符)

常用:

提示

您的留言已提交成功!我們將在第一時間回復您~
在線留言
主站蜘蛛池模板: 霍州市| 克什克腾旗| 咸阳市| 伽师县| 武乡县| 孝感市| 陵水| 青浦区| 巴彦淖尔市| 乐平市| 哈尔滨市| 金川县| 林口县| 洪江市| 浦县| 房产| 通化县| 凉山| 余姚市| 辽阳县| 大理市| 建平县| 利辛县| 新营市| 民县| 莱阳市| 佛学| 河南省| 壶关县| 蒙城县| 正定县| 乐山市| 应城市| 清苑县| 石渠县| 葫芦岛市| 安徽省| 进贤县| 塔河县| 朝阳区| 吉安市|