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Akademický článek

Determination of three preservatives and two sweeteners in food by high-performance liquid chromatography based on a new hydrophilic C18 column

Autor: XUE Kunpeng, YU Lingyu, REN Xingfa, TU Bingfang, LI Liangxiang, CHEN Zaijie, HE Huan, CAO Dan

Publikováno v: Zhongguo shipin weisheng zazhi, Vol 35, Iss 10, Pp 1448-1453 (2023)

ObjectiveThe aim of this study was to establish an analytical method for the simultaneous determination of five food additives—acesulfame potassium， benzoic acid， sorbic acid， sodium saccharin， and dehydroacetic acid—in food using a new h

Externí odkaz: https://doaj.org/article/2e3d1da08a824fed90bbb2adea866f25

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Akademický článek

Preparation and evaluation of ultra-long open-tubular capillary columns modified with zeolitic imidazolate framework-8 incorporated polymeric porous layer for liquid chromatography

Autor: Zhong, Zhihua, Zhu, Manman, Chu, Zhanying, Ren, Xingfa, Tu, Bingfang, Zhang, Weibing, Zhang, Lingyi

Publikováno v: In Journal of Chromatography A 12 April 2022 1668

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Preparation and evaluation of a new type of amino-bonded silica chromatographic stationary phase for the determination of lactose

Autor: Tu Bingfang, Li Liangxiang, Shaoqing Wang, Lixin Yao, Guo Deyong, Shuai Hu, Kunpeng Xue

Publikováno v: Chinese Journal of Chromatography. 36:94

A method for the separation and determination of lactose and sucrose using high performance liquid chromatography-refractive index (HPLC-RI) detection base on the prepared amino-bonded silica gel chromatographic stationary phase was established. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f41bd6a4c1814045f6f8c4a2202648b
https://doi.org/10.3724/sp.j.1123.2017.09022

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Akademický článek

硬脂酰乳酸钠对铜皂络合比色法测定酸价干扰的固相萃取清除工艺Solid phase extraction elimination of interference of sodium stearyl lactate on acid value determination by cupric-pyridine colorimetric method

Autor: 薛斌1,2，曹文明3,4，屠炳芳1 XUE Bin1,2, CAO Wenming3,4, TU Bingfang

Publikováno v: Zhongguo youzhi, Vol 48, Iss 9, Pp 132-137 (2023)

为清除合成乳化剂硬脂酰乳酸钠（SSL）对铜皂络合比色技术测定油脂酸价过程的正向干扰，开发了一种固相萃取（SPE）清除SSL的技术。用含2%异丙醇的环己烷为固相萃取流动相和油脂样品溶�

Externí odkaz: https://doaj.org/article/da0af46ecbb04437892d1508a4e8f3f4

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Akademický článek

酸价的特异性检测方法——铜皂络合比色技术的研究进展Progress on cupric acetate-pyridine colorimetric method for specific quantitative determination of acid value

Autor: 曹文明1,2，薛斌3,4, 屠炳芳3 CAO Wenming1,2, XUE Bin3,4， TU Bingfang

Publikováno v: Zhongguo youzhi, Vol 47, Iss 3, Pp 110-116 (2022)

酸价（acid value, AV）指示油脂中游离脂肪酸(free fatty acid, FFA)含量，是油脂和含油食品最重要的质量指标和安全指标之一。针对现行AV测定标准的酸碱中和滴定技术的共性与非特异性的局限，�

Externí odkaz: https://doaj.org/article/1ca0f3d3abbc4d0291f2886cfd2ffeed

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Akademický článek

[Preparation and evaluation of a new type of amino-bonded silica chromatographic stationary phase for the determination of lactose].

Autor: Xue K; Welch Materials(Zhejiang), Inc., Jinhua 321016, China. kunpengxue@126.com., Hu S; Yongkang Supervision and Inspection Center for Product Quality and Technology, Jinhua 321300, China., Tu B; Welch Materials(Zhejiang), Inc., Jinhua 321016, China., Yao L; Welch Materials(Zhejiang), Inc., Jinhua 321016, China., Li L; Welch Materials(Zhejiang), Inc., Jinhua 321016, China., Wang S; Welch Materials(Zhejiang), Inc., Jinhua 321016, China., Guo D; Welch Materials(Zhejiang), Inc., Jinhua 321016, China.

Publikováno v: Se pu = Chinese journal of chromatography [Se Pu] 2018 Feb 08; Vol. 36 (2), pp. 94-99.

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