He also knew that wheat has an enzyme called oxalate oxidase, which detoxifies oxalic acid.

他也清楚，小麦有一种氧化酶，能够分解。

" Sugar acid" ! said the chemist contemptuously, " don't know it; I'm ignorant of it! But perhaps you want oxalic acid. It is oxalic acid, isn't it" ?

" 糖？" 药剂师作出内行瞧不起外行的神气说，" 我不知道，没听说过！ 恐怕是要买吧？ 是，对不对？"

Dr Powell knew that many of the symptoms of chestnut blight are caused by the oxalic acid that C. parasitica generates as it grows.

鲍威尔知道，栗疫的很多症状都由栗疫菌生长时产生的引起。

Oxalic acid reacts with rust to form iron oxalate complex ion.

与铁锈反应生成铁络合物。

Substances like these aren’t intoxicating, they’re just poisonous, usually because your body metabolizes them into some horrible, dangerous compound like formic acid or oxalic acid.

这类物质不会让人醉酒， 只是有毒，通常是的身体会将它们代谢成一些可怕的危险化合物， 比如甲或。

It's when we run out, excuse me, it's when we've run out of that oxalic acid.

当我们用完的时候, 对不起, 当我们用完的时候。

How could we work backwards to find that analyte which is going to be this oxalic acid up here?

我们如何倒退找到分析物, 它就是上面的?

This is the number of grams of oxalic acid that we had to begin with.

这是我们一开始需要的克数。

Let's say how much of the analyte, let's say this oxalic acid is present.

假设有多少分析物, 假设这种存在。

Now all I have to do, I've got to go down to the next line, is I have to get that to the grams of that oxalic acid.

现在我所要做的, 我必须进入下一行, 我必须得到的克数。

So I'm going to put the moles of sodium hydroxide on the bottom and the moles of oxalic acid on the top.

所以我要把氢氧化钠的摩尔放在底部, 把的摩尔放在顶部。

Well in the beginning as we add that sodium hydroxide, it's reacting with the oxalic acid.

一开始, 当我们添加氢氧化钠时, 它会与发生反应。

And let's say our analyte is going to be, analyte is going to be this oxalic acid down here.

假设我们的分析物将是, 分析物将是这里的。

In this case it was oxalic acid.

在这种情况下, 它是。

I've now gotten moles of oxalic acid.

我现在已经得到了几摩尔的。

It can't combine with this oxalic acid anymore.

它不能再与这种结合。

And let's say we're combining that with oxalic acid.

假设我们将其与结合。