chemistry

Sodium ammonium tartrate

Sodium ammonium tartrate is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Sodium ammonium tartrate rather than just read about it. In short: Sodium ammonium tartrate (NAT) is an organic compound with the formula Na(NH4)[O2CCH(OH)CH(OH)CO2]. The salt is derived from tartaric acid by neutralizing with ammonia and with sodium hydroxide.

Key takeaways

Sodium ammonium tartrate belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Sodium ammonium tartrate to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Sodium ammonium tartrate from memory before moving on to harder problems.

Reference excerpt

Sodium ammonium tartrate (NAT) is an organic compound with the formula Na(NH4)[O2CCH(OH)CH(OH)CO2]. The salt is derived from tartaric acid by neutralizing with ammonia and with sodium hydroxide. Louis Pasteur obtained enantiopure crystals of the tetrahydrate of NAT, via the process of spontaneous resolution. His discovery led to increased study of optical activity, which eventually was shown to have broad implications. Many modifications of this salt have been investigated by X-ray crystallography, including the racemate, which crystallizes as the monohydrate.

Related compounds Ammonium tartrate Rochelle salt (NaKO2CCH(OH)CH(OH)CO2(H2O)4), the first ferroelectric material discovered

References

Illustrations

Worked examples

Example 1 — a first encounter with Sodium ammonium tartrate

Start with the simplest possible case. Write down what Sodium ammonium tartrate claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Sodium ammonium tartrate before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Sodium ammonium tartrate ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Sodium ammonium tartrate

In research: Sodium ammonium tartrate appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Sodium ammonium tartrate in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Sodium ammonium tartrate is common in secondary-school and first-year university syllabi. It links to neighbouring topics Ammonium compounds, Double salts, Ferroelectric materials, so understanding it makes those chapters shorter.
In everyday life: Look for Sodium ammonium tartrate outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Sodium ammonium tartrate” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Sodium ammonium tartrate in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Sodium ammonium tartrate means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Sodium ammonium tartrate out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Sodium ammonium tartrate in simple terms?

Sodium ammonium tartrate (NAT) is an organic compound with the formula Na(NH4)[O2CCH(OH)CH(OH)CO2]. The salt is derived from tartaric acid by neutralizing with ammonia and with sodium hydroxide.

Why does Sodium ammonium tartrate matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Sodium ammonium tartrate?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Sodium ammonium tartrate.