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Nitrate Ion-Selective Electrode in Microbial Media

机译:微生物培养基中的硝酸根离子选择电极

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A nitrate ion-selective electrode has been used to follow the kinetics of the reduction of nitrate by a bacillus isolated from the rumen of a sheep. The electrode system and the microbial culture were found to be quite compatible, although the formation of nitrite limits the utility and precision of the measurement. The formation of nitrite was followed simultaneously by a colorimetric method. Nitrate was converted quantitatively to nitrite. The rate of the reaction was found to increase to a plateau value, then drop abruptly when the nitrate was exhausted.
机译:硝酸根离子选择电极已被用来追踪从羊瘤胃中分离出的芽孢杆菌对硝酸根还原反应的动力学。尽管亚硝酸盐的形成限制了测量的实用性和准确性,但发现电极系统和微生物培养物是完全兼容的。通过比色法同时跟踪亚硝酸盐的形成。硝酸盐定量转化为亚硝酸盐。发现反应速率增加到平稳值,然后在硝酸盐耗尽时突然下降。

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