Discussion of the fluoride determination condition in tea(茶叶中氟的测定条件的探讨)

考察现有氟离子的测定方法,探讨用氟离子选择性电极法测定茶叶中的氟的条件.除了电极测定条件外,茶叶样品的浸提处理对测定的准确度有很大影响.从缓冲溶液的成分、茶叶粉碎度、浸泡时间、浸泡所用盐酸的浓度、温度、茶水比例等方面研究最佳的测定条件为在室温下,用0.10 mol • L-1的盐酸浸泡粉碎过的茶叶,配成茶水比例为1 g茶:50 mL水,浸泡1 h....

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Main Authors: CHENQian(陈倩), GUOWen-fei(郭雯飞)
Format: Article
Language:zho
Published: Zhejiang University Press 2011-11-01
Series:Zhejiang Daxue xuebao. Lixue ban
Subjects:
Online Access:https://doi.org/10.3785/j.issn.1008-9497.2011.06.008
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author CHENQian(陈倩)
GUOWen-fei(郭雯飞)
author_facet CHENQian(陈倩)
GUOWen-fei(郭雯飞)
author_sort CHENQian(陈倩)
collection DOAJ
description 考察现有氟离子的测定方法,探讨用氟离子选择性电极法测定茶叶中的氟的条件.除了电极测定条件外,茶叶样品的浸提处理对测定的准确度有很大影响.从缓冲溶液的成分、茶叶粉碎度、浸泡时间、浸泡所用盐酸的浓度、温度、茶水比例等方面研究最佳的测定条件为在室温下,用0.10 mol • L-1的盐酸浸泡粉碎过的茶叶,配成茶水比例为1 g茶:50 mL水,浸泡1 h.
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spelling doaj.art-b24c652b495e4369bc1ef47f41546e552024-03-29T01:58:30ZzhoZhejiang University PressZhejiang Daxue xuebao. Lixue ban1008-94972011-11-0138664665010.3785/j.issn.1008-9497.2011.06.008Discussion of the fluoride determination condition in tea(茶叶中氟的测定条件的探讨)CHENQian(陈倩)0GUOWen-fei(郭雯飞)1Department of Chemistry, Zhejiang University, Hangzhou 310027, China(浙江大学 化学系,浙江 杭州 310027)Department of Chemistry, Zhejiang University, Hangzhou 310027, China(浙江大学 化学系,浙江 杭州 310027)考察现有氟离子的测定方法,探讨用氟离子选择性电极法测定茶叶中的氟的条件.除了电极测定条件外,茶叶样品的浸提处理对测定的准确度有很大影响.从缓冲溶液的成分、茶叶粉碎度、浸泡时间、浸泡所用盐酸的浓度、温度、茶水比例等方面研究最佳的测定条件为在室温下,用0.10 mol • L-1的盐酸浸泡粉碎过的茶叶,配成茶水比例为1 g茶:50 mL水,浸泡1 h.https://doi.org/10.3785/j.issn.1008-9497.2011.06.008茶叶氟离子选择性电极缓冲溶液浸提条件
spellingShingle CHENQian(陈倩)
GUOWen-fei(郭雯飞)
Discussion of the fluoride determination condition in tea(茶叶中氟的测定条件的探讨)
Zhejiang Daxue xuebao. Lixue ban
茶叶
氟离子选择性电极
缓冲溶液
浸提条件
title Discussion of the fluoride determination condition in tea(茶叶中氟的测定条件的探讨)
title_full Discussion of the fluoride determination condition in tea(茶叶中氟的测定条件的探讨)
title_fullStr Discussion of the fluoride determination condition in tea(茶叶中氟的测定条件的探讨)
title_full_unstemmed Discussion of the fluoride determination condition in tea(茶叶中氟的测定条件的探讨)
title_short Discussion of the fluoride determination condition in tea(茶叶中氟的测定条件的探讨)
title_sort discussion of the fluoride determination condition in tea 茶叶中氟的测定条件的探讨
topic 茶叶
氟离子选择性电极
缓冲溶液
浸提条件
url https://doi.org/10.3785/j.issn.1008-9497.2011.06.008
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