The sample was molten and decomposed with sodium peroxide,leached and acidified with hot water and constant-volumed.
试样以过氧化钠熔融分解,热水浸取、酸化,定容。
单词 | Sodium peroxide |
释义 |
Sodium peroxide
英语例句库
The sample was molten and decomposed with sodium peroxide,leached and acidified with hot water and constant-volumed. 试样以过氧化钠熔融分解,热水浸取、酸化,定容。
中文百科
过氧化钠![]() ![]() ![]() 过氧化钠化学式为Na2O2,又称二氧化钠或双氧化钠,是钠在氧气或空气中燃烧的产物。 在常温下,纯品过氧化钠为白色,但一般见到的过氧化钠呈淡黄色(混有 超氧化钠 的缘故),密度为2.805g/cm,熔点为460摄氏度。加热时,过氧化钠的颜色会变黄。过氧化钠易变质,应密封保存。过氧化钠对人有强烈的腐蚀性,与易燃物接触易引起火灾,在高温下甚至会发生爆炸。过氧化钠着火不能用水扑灭,必须用沙土或盐盖灭。
英语百科
Sodium peroxide 过氧化钠![]() ![]() ![]() Sodium peroxide is the inorganic compound with the formula Na2O2. This yellowish solid is the product of sodium ignited in excess oxygen. It is a strong base. It exists in several hydrates and peroxyhydrates including Na2O2·2H2O2·4H2O, Na2O2·2H2O, Na2O2·2H2O2, and Na2O2·8H2O. |
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