氟氫化鈉 的英文怎麼說
中文拼音 [fúqīnghuànà]
氟氫化鈉
英文
sodium bifluoride
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氫 :
名詞[化學] (氣體元素) hydrogen (h)
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鈉 :
名詞[化學] (金屬元素) sodium (na)
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Analysis f k and na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove sio2, adjusting the ratio of k and na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference
摘要本方法用於測定霞石中的鉀、
鈉,主要通過在溶樣時加入
氫氟酸除去二氧
化矽,調整溶液中鉀、
鈉的含量,消除互相之間的干擾,加入氯
化銫消除電離因素的干擾,提高了分析結果的準確性和重現性,使測定結果更接近
化學分析值。
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Analysis of k and na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove sio2, adjusting the ratio of k and na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference
摘要本方法用於測定霞石中的鉀、
鈉,主要通過在溶樣時加入
氫氟酸除去二氧
化矽,調整溶液中鉀、
鈉的含量,消除互相之間的干擾,加入氯
化銫消除電離因素的干擾,提高了分析結果的準確性和重現性,使測定結果更接近
化學分析值。
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The effective regeneration procedure is soaking the adsorbent 30 ~ 50h with 1 - 2 % al2 ( so4 ) 3 for activated alumina and 20 ~ 30h with 1 - 1. 5 % naoh for bone char. studies show both activated alumina and bone char are excellent adsorbents for the removal of fluoride from drinking water. fluoride concentration below 1. 0mg / l can be acquired easily with them and meets the requirement of drinking water standards
對兩種除
氟劑進行的再生液與吸附劑體積比為1 : 1的再生實驗表明:用硫酸鋁溶液對活性氧
化鋁再生,再生濃度為1 2 ,再生時間為30 50h ,沖洗浸泡時間為5h效果較好;對骨炭再生,
氫氧
化鈉再生液濃度為1 1 . 5 ,再生時間為20 30h效果較好。
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Sodium hydrogen difluoride
二氟化氫鈉