chemistry

Victor Planchon

Victor Planchon 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 Victor Planchon rather than just read about it. In short: Victor Joseph Planchon (12 January 1863, Paris - 1 February 1935, Lyon) was a French chemist. He worked with the Lumière brothers to develop a celluloid emulsion process.

Key takeaways

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

Reference excerpt

Victor Joseph Planchon (12 January 1863, Paris - 1 February 1935, Lyon) was a French chemist. He worked with the Lumière brothers to develop a celluloid emulsion process.

Biography At the age of fifteen, he joined the staff at a government laboratory in Paris; doing work for the patent office and customs. It was there that he learned chemistry and photography. In 1887, after a short stay at a similar laboratory in Arras, he went to Boulogne-sur-Mer, where he later became Director of the Port Control Laboratory. Originally interested in photographic plates, he switched to studying celluloid; attempting to create a completely flat surface. The solution involved self-tensioning frames, similar to those used for the glass plates. His technique was so successful that he founded a company to produce the new film: the Union Photographique de Boulogne. He was already acquainted with Louis Lumière so, after a meeting in Paris, he took a roll of the new film to Lyon, where the Lumières were inspired to create the cinematograph. This was followed by a contract between the two companies. The Lumières would use his film exclusively, and he would produce his film with their "Blue Label" plate emulsifier. Shortly after, he settled in Lyon and established the "Société anonyme des Pellicules françaises", known as PLAVIC (PLAnchon VICtor). Through 1914, the company supplied millions of meters of film. To achieve this level of production, he built three groups of factories in Feyzin, which were capable of producing 40,000 meters per day, as well as preparing the necessary raw materials, Following World War I, competition from the Pathé factories in Vincennes led Planchon to convert some of his factory output to the production of artificial silk, under the direction of Henri Lumière, as he had no descendants of his own. In 2012, the city of Boulogne-sur-Mer established the "Place Victor-Planchon". Two statues have been installed there; one of Planchon and one of Marilyn Monroe.

References

Further reading Association Jean Mitry, Victor Planchon, artisan & industriel du cinématographe chimiste, inventeur, photographe industriel à Boulogne-sur-Mer et Lyon, Ville de Boulogne-sur-Mer, Service de l'Animation de l'architecture et du patrimoine, 2008 ISBN 978-2-9527718-2-5

External links Media related to Victor Planchon at Wikimedia Commons

Illustrations

Victor Planchon: Victor Planchon (date unknown) — Victor Planchon (date unknown)

Worked examples

Example 1 — a first encounter with Victor Planchon

Start with the simplest possible case. Write down what Victor Planchon 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 Victor Planchon 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 Victor Planchon 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 Victor Planchon

In research: Victor Planchon 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 Victor Planchon 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: Victor Planchon is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1863 births, 1935 deaths, 19th-century French chemists, so understanding it makes those chapters shorter.
In everyday life: Look for Victor Planchon 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 Victor Planchon in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Victor Planchon 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 Victor Planchon out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Victor Planchon in simple terms?

Victor Joseph Planchon (12 January 1863, Paris - 1 February 1935, Lyon) was a French chemist. He worked with the Lumière brothers to develop a celluloid emulsion process.

Why does Victor Planchon 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 Victor Planchon?

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 Victor Planchon.