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The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.

该粗品通过艺的改进,采用硫化钠和氢氧化钠的混合物进行处理,到纯度≥99%的O,O-二基硫代磷酰氯。

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Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采用纤维素与过量的氯氢氧化钠反应,以甲苯为稀释剂,用一步法成功地合成了基纤维素。

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Chubbyemu胖鸸鹋

Sodium hydroxide and Hypochlorous acid from bleach neutralize these proteins.

漂白剂中的亚氯酸会中和这些。

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SciShow - Chemistry

The sodium hydride could be combined with water to produce sodium hydroxide and hydrogen gas.

钠可以与水结合产生氢氧钠和氢气。

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Crash Course

(mumbling) And now I'm going to put the same amount of sodium hydroxide solution.

(喃喃自语)现在我要放等量的氢氧钠溶液。

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Crash Course

So that's like, 294 Kelvin, and now I shall add my 100 mL of sodium hydroxide.

像是 294 开尔文,现在我要添加 100 mL 氢氧钠。

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Scishow 精选系列

So they make a salt of benzoic acid by reacting it with sodium hydroxide — aka lye or caustic soda — to make sodium benzoate.

所以他们通过与氢氧钠——也是碱液或苛性钠——反应生成苯甲酸盐。

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Crash Course 综合篇

Strong bases meanwhile, like sodium hydroxide, consume large amounts of hydrogen ions leaving the concentration very low, so they 10d to have very high pHs.

那么pH,简单地表为负的该浓度以10为底的对数,也是7我的这个小伙伴,成为了pH标度的基础。

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SciShow - Chemistry

So for example, sodium hydroxide releases about 250 kilocalories of energy for every mole, which is about six hundred billion trillion molecules.

因此, 例如,氢氧钠每摩尔释放约 250 大卡的能量, 即约 6000 亿兆分子。

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Crash Course

Then, there's sodium hydroxide, another substance that I wouldn't wish to be on my worst foe, although I'm glad we have it.

是氢氧钠,这是我最不希望出现在我最大敌人身上的另一种物质, 尽管我很高兴我们拥有它。

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大揭秘

However, in terms of general usage, the word 'bleach' is used to refer to common household bleach, which consists of 3-8% sodium hypochlorite and trace amounts of sodium hydroxide.

一般用法而言,“漂白剂”一词是指普通家用漂白剂,由3-8%的次氯酸钠和微量的氢氧钠组成。

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SciShow - Chemistry

So when sodium hydroxide feels slippery to you, it's actually the sodium hydroxide doing chemistry with the oils in your skin to form a kind of soap.

因此,当您觉得氢氧钠很滑时,实际上是氢氧钠与您皮肤中的油脂发生反应, 形成一种肥皂。

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SciShow - Chemistry

Bases like sodium hydroxide, or lye, are combined with fatty acids in vegetable oil or animal fat to produce sodium salts, which help water lift grease away from your skin.

氢氧钠或碱液等碱与植物油或动物脂肪中的脂肪酸结合生成钠盐,有助于水将油脂从皮肤上去除。

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经济人-科技

It is composed of what sounds like a bizarre mixture: fly-ash, a fine-grained waste product from coal-fired power stations; carbon nanotubes, cylindrical molecules made of elemental carbon; and two binding agents, sodium silicate and sodium hydroxide.

煤灰,火力发电厂排放的细颗粒废弃物;碳纳米管,即柱状的碳分子;还有两种黏合剂:硅酸钠和氢氧钠。

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Crash Course

The standard enthalpy of formation for hydrochloric acid is -167.2 kJ per mole; for sodium hydroxide it's -469.15 kJ per mole; for liquid water it's -285.8; and for sodium chloride it's -407.27.

盐酸的标准生成焓为-167. 2 kJ/mol; 对于氢氧钠,它是每摩尔 -469. 15 kJ; 对于液态水, 它是-285. 8; 对于氯钠, 它是 -407. 27。

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SciShow - Chemistry

You could technically have an even higher pH. A really high concentration of sodium hydroxide in water can have a pH of 15, which means there’s only 1 hydrogen ion for every 100 million hydroxide ions.

从技术上讲,您可以拥有更高的 pH 值。水中非常高浓度的氢氧钠的 pH 值为 15,这意味着每 1 亿氢氧根离子中只有 1 个氢离子。

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Crash Course

Remember that we can look up the standard enthalpy of formation for all the products and reactants in the back of a textbook or online, the chemical reaction between hydrochloric acid and sodium hydroxide produces liquid water and sodium chloride.

请记住, 我们可以在教科书面或网上查找所有产品和反应物的标准生成焓,盐酸和氢氧钠之间的反应生成液态水和氯钠。

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