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乙二醇MEG,防凍液,二乙二醇

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首頁 > 供應產品 > 乙二醇MEG,工業用亞硝酸鈉
乙二醇MEG,工業用亞硝酸鈉
單價 面議對比
詢價 暫無
發貨 山東濟南市付款后3天內
過期 長期有效
更新 2012-01-03 15:56
 
詳細信息

亞硝酸鈉(NaNO2),俗稱亞硝酸鹽,是亞硝酸根離子與鈉離子化和生成的無機鹽。亞硝酸鈉易潮解,易溶于水和液氨,其水溶液呈堿性,其pH約為9,微溶于乙醇、甲醇、乙醚等有機溶劑。亞硝酸鈉有咸味,又是被用來制造假食鹽。亞硝酸鈉暴露于空氣中會與氧氣反應生成硝酸鈉。若加熱到320℃以上則分解,生成氧氣、氧化氮和氧化鈉。接觸有機物易燃燒爆炸。本品與肉制品中肌紅蛋白、血紅蛋白生成鮮艷、亮紅色的亞硝基肌紅蛋白或亞硝基血紅蛋白而護色時,尚可產生腌肉的特殊風味。
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