chemistry

James Bell (chemist)

James Bell (chemist) 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 James Bell (chemist) rather than just read about it. In short: James Bell (1825–1908) was a Northern Irish chemist, known for his work on analyses of food, tobacco and alcoholic drinks. Early life and family Born at Altnanaghan, Newtownhamilton, County Armagh, he was educated privately and at University College London, where he studied chemistry under Alexander William Williamson.

Key takeaways

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

Reference excerpt

James Bell (1825–1908) was a Northern Irish chemist, known for his work on analyses of food, tobacco and alcoholic drinks.

Early life and family Born at Altnanaghan, Newtownhamilton, County Armagh, he was educated privately and at University College London, where he studied chemistry under Alexander William Williamson. In 1858, Bell married Ellen Reece (died 1900), daughter of W. Reece of Chester. The couple had one son, (Sir) William James Bell, who became a Barrister and Alderman to the London County Council (1903–7).

Career In 1846, he became an assistant in the Inland Revenue Laboratory at Somerset House, established to carry out the provisions of the Tobacco Act 1842; and was successively deputy principal from 1867 to 1874, and principal from 1874 till his resignation in 1894. The work of the laboratory was extended to alcoholic products; and when the Food and Drugs Act 1872 was amended in 1875, Bell was made chemical referee when disputed analyses of food were brought to court. Bell elaborated methods for analysing chemically foods within the operation of the Act. He was also consulting chemist to the Indian government, 1869 to 1894. Bell's work was recognized in 1884 by his election as Fellow of the Royal Society, and he obtained the degree of Ph.D. from the University of Erlangen in 1882 and received the hon. D.Sc. from the Royal University of Ireland (1886). He was made C.B. in 1889. He was a member of the Playfair committee on British and foreign spirits, and served as president of the Institute of Chemistry from 1888 to 1891.

Works Bell's researches into grape and malt ferments were published in the Excise Officers' Manual (1865) and in the Journal of the Chemical Society in 1870. Many of his results were written up in The Analysis and Adulteration of Foods (3 pts. 1881–3; German translation, Berlin, 1882–5). He published also Chemistry of Tobacco (1887).

Death Bell died at Hove on 31 March 1908, and was buried at Ewell.

Notes

Attribution This article incorporates text from a publication now in the public domain: Lee, Sidney, ed. (1912). "Bell, James". Dictionary of National Biography (2nd supplement). Vol. 1. London: Smith, Elder & Co.

Worked examples

Example 1 — a first encounter with James Bell (chemist)

Start with the simplest possible case. Write down what James Bell (chemist) 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 James Bell (chemist) 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 James Bell (chemist) 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 James Bell (chemist)

In research: James Bell (chemist) 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 James Bell (chemist) 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: James Bell (chemist) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1825 births, 1908 deaths, 19th-century Irish chemists, so understanding it makes those chapters shorter.
In everyday life: Look for James Bell (chemist) 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.

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How to study James Bell (chemist) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what James Bell (chemist) 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.
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Frequently asked questions

What is James Bell (chemist) in simple terms?

James Bell (1825–1908) was a Northern Irish chemist, known for his work on analyses of food, tobacco and alcoholic drinks. Early life and family Born at Altnanaghan, Newtownhamilton, County Armagh, he was educated privately and at University College London, where he studied chemistry under Alexande…

Why does James Bell (chemist) 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 James Bell (chemist)?

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 James Bell (chemist).