分光光度法测定食品和水中钙
O614; 本文用分光光度法测定食品和水中钙的含量.在硝酸介质中,钙与二溴对甲偶氮磺形成蓝色的络合物,其最大吸收波长在628nm处,表观摩尔吸光系数为5.5×104L.mol-1.cm-1.钙量在0-12ug/ 25ml范围内符合比尔定律,方法有很好的选择性,直接用于测定花生、奶粉、水中钙的含量....
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| Veröffentlicht in: | 巢湖学院学报 2004, Vol.6 (3), p.88-127 |
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| container_title | 巢湖学院学报 |
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| creator | 汤家华 钱德胜 |
| description | O614; 本文用分光光度法测定食品和水中钙的含量.在硝酸介质中,钙与二溴对甲偶氮磺形成蓝色的络合物,其最大吸收波长在628nm处,表观摩尔吸光系数为5.5×104L.mol-1.cm-1.钙量在0-12ug/ 25ml范围内符合比尔定律,方法有很好的选择性,直接用于测定花生、奶粉、水中钙的含量. |
| doi_str_mv | 10.3969/j.issn.1672-2868.2004.03.024 |
| format | Article |
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| fulltext | fulltext |
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| issn | 1672-2868 |
| language | chi |
| recordid | cdi_wanfang_journals_chaohxyxb200403024 |
| source | 国家哲学社会科学学术期刊数据库 (National Social Sciences Database) |
| title | 分光光度法测定食品和水中钙 |
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