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Research on Fingerprint of Lentinan Composition by Microwave Hydrolysis-Ion Chromatography [PDF]
, 2021 A microwave hydrolyzation-ion chromatography method for the determination of lentinan monosaccharide composition was established.Conditions of microwave hydrolysis of polysaccharide: the concentration of trifluoroacetic acid was 3.0 mol/L.The hydrolysis ...
FAN Liu-ping +5 more
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Discussion on the Analysis Method of Iodide in Natural Water Samples [PDF]
, 2023 BACKGROUNDAs the main source of iodine intake, water is of practical significance to detect the content of iodide accurately. At present, the common methods for the analysis of iodide in water samples include ion chromatography, gas chromatography ...
Chunxue XU +6 more
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Self-prepared cation-exchange column for the separation of amines(自制阳离子色谱柱测定有机胺)
Zhejiang Daxue xuebao. Lixue ban, 2005 以乙基乙烯苯-二乙烯苯聚合物为基球，接枝羧酸基团合成制备了一种新型弱阳离子色谱柱填料.以硫酸作为淋洗液，用一价阳离子和低分子量有机胺对用该填料制成的色谱柱的色谱性能进行了测试，结果表明该柱填料对常见一价阳离子、铵和某些低分子量胺具有较好的分离效果、良好的重现性和低的检测限.
CHENYong-xin(陈永欣) +3 more
doaj +1 more source
Determination of glucosinolates by liquid chromatography-mass spectrometry(液相色谱-质谱联用分离、鉴定硫代葡萄糖苷)
Zhejiang Daxue xuebao. Lixue ban, 2004 从油菜籽中提取硫苷，经弱阴离子交换剂DEAE Sephadex A-25做预处理，得到硫苷提取液.经反相离子对色谱确定分离条件，釆用液相色谱-电喷雾接口-质谱联用，再经紫外扫描进一步确证，同时分离鉴定了油菜籽中7种硫苷.
YUANLi-feng(袁丽凤) +2 more
doaj +1 more source
Determination of eight anions in liquid milk [PDF]
, 2023 Objective： A rapid method was established for the simultaneous determination of variety anions in liquid milk. Methods： The macromolecular protein in liquid milk was precipitated by acetonitrile, and a variety of anions were extracted. After purification
HE Minheng +4 more
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Zhejiang Daxue xuebao. Lixue ban, 2005 采用阴离子交换分离，化学抑制模式，对甲醇、乙腈、异丙醇等有机溶剂中的阴离子进行测定.各有机溶剂稀释1倍直接进样可以测定Cl-、，在所采取的色谱条件下，三种阴离子都具有很好的线性和较低的检测限.比较采用自动再生循环模式，利用化学抑制模式的离子色谱法是一种检测有机物中阴离子的高效、准确的方法.
GUOYing-ying(郭莹莹) +2 more
doaj +1 more source
Determination of Salt Forms of New Psychoactive Substances by Ion Chromatography [PDF]
, 2021 Objective To establish an ion chromatography method for the salt form determination of new psychoactive substances （NPS）. Methods The method of conducting qualitative and quantitative analysis of six types of organic acid ions （acetate ion, tartrate ion,
CHEN Yue-meng, HUA Zhen-dong, LIU Cui-mei, et al.
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Zhejiang Daxue xuebao. Lixue ban, 2007 用离子色谱和电感耦合等离子体质谱联用法同时测定样品中三价铬和六价铬.经ICS-AG 14 A(Dionex，USA）阴离子色谱柱分离，60 mmol/L HNO3淋洗液淋洗，用等离子体质谱仪(m/z 50，52和53）在线测定了Cr( Ⅲ)和Cr(Ⅵ), 并对影响测定的各种因素进行了研究，该方法可以在2 min内分离并测定Cr（ Ⅲ）和Cr( Ⅵ). Cr（ Ⅲ）和Cr(Ⅵ)的检出限（S/N=3，m/z 53）分别为0.05 µg/L和0.5 µg/L.线性范围(m/z 53)从0.5 µg/L到500
ZHUMin(朱敏) +4 more
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Development of an analytical method to detect cyanide in Chinese liquor by ion chromatography with pulsed amperometric detection [PDF]
, 2020 Objective This study aimed to develop an ion chromatography-pulse amperometry (IC-PAD) technique for the identification and quantification of cyanide in Chinese liquor. Methods The real samples from local markets were diluted to 1∶10 with ultrapure water
Hongjian MIAO +5 more
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Developmental Medicine &Child Neurology, Volume 61, Issue 3, Page E1-E35, March 2019., 2019 目的 本国际临床指南由欧洲残疾儿童学会（the European Academy of Childhood Disability，EACD）牵头制定，旨在解决发育性协调障碍（developmental coordination disorder，DCD）的定义、诊断、评估、干预以及与社会心理方面的临床应用关键问题。 方法 本指南针对五个领域的关键问题，通过文献综述和专家团队的正式讨论达成共识。为保证指南的循证基础，以“机制”、“评估”和“干预”为检索词, 对2012年更新以来提出的最新建议以及新增的“社会心理问题”和“青少年/成人”为检索词进行检索。根据牛津大学循证医学中心证据等级 (证据水平 [level of evidence, LOE]1–4) 将结果进行分类，最终转化为指南建议。并由国际 ...
Jing Hua +6 more
wiley +1 more source