Where is reducing flame?

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“The reducing flame (as of a blowpipe) is that part of the flame which is deficient in oxygen for combustion (RF in figure), and which has therefore a reducing effect, or, n other words, tends to deprive the substance under examination of oxygen; the oxidizing flame is that part (OF in figure) in which the oxygen is in excess, and which exerts the opposite or oxidizing effect.

What is reducing flame?

Reducing flame is the burner flame that is produced in the presence of a low level of oxygen gas around the burner. Usually, when there is not enough oxygen around the burner, the flame becomes yellow or yellowish. This is due to the presence of carbon or carbon-containing compounds such as hydrocarbons.

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Why is the inner flame reducing and the outer flame oxidizing?

In a Bunsen burner, why is the inner flame reducing (reduction zone) and the outer flame oxidizing (oxidizing zone)? The inner flame has an excess of ‘fuel gas’ which (when hot) is an excellent ‘reducer’. Atmospheric oxygen on the outer edge is heated and becomes an excellent ‘oxidizer’. What does an oxidizing flame look like?

What is the difference between reducing and neutral flame?

The reducing flame is also called the carburizing flame, since it tends to introduce carbon into the molten metal. The neutral flame is the flame in which the amount of oxygen is precisely enough for burning, and neither oxidation nor reduction occurs. A flame with a good balance of oxygen is clear blue.

What is the color of oxidizing and reducing flame?

Oxidizing flame is the flame which produces large amount of oxygen and flame with low oxygen is called reducing flame. When amount of oxygen increases the flame becomes shorten,its color become dark. Reducing flame is in yellow color. Its yellowish color is due to carbon and hydro carbons. It is also known as carburizing flame.


Oxy Acetylene Brazing, Torch Adjustments- Reducing Flame, Oxidizing Flame, Neutral Flame


More about Where is reducing flame?


1. Reducing flame Definition & Meaning – Merriam-Webster

Definition of reducing flame : a flame or part of a flame (as the inner cone of a gas flame) having partially burned gas and being capable of extracting …

From www.merriam-webster.com

2. Oxidizing and reducing flames – Wikipedia

If the flame has too much oxygen, an oxidizing flame is produced. When the amount of oxygen increases, the flame shortens due to quicker combustion, its color becomes a more transparent blue, and it hisses/roars. With some exceptions (e.g., platinum soldering in jewelry), the oxidizing flame is usually undesirable for welding and soldering, since, as its name suggests, it oxidizes the metal’s surface. The same principle is important in firing pottery.

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From en.wikipedia.org

3. reducing flame | chemistry | Britannica

combustion In combustion: Oxidizing and reducing flame When a premixed flame burns in open air with an excess of fuel, there appears in addition to the flame zone a zone of diffusion flame; this is accounted for by the diffusion of atmospheric oxygen, as, for example, in the Bunsen flame… Read More

From www.britannica.com

4. What are Oxydizing – Neutral – Reducing Flames – Definition

The reducing flame is the flame with low oxygen and an excess of acetylene. Flame has a secondary feather extending from the inner cone. This secondary feather is caused by excess acetylene in the flame mixture, which alters the chemical composition of the weld pool by reducing iron oxide (reducing effect) and adding carbon (carburizing effect).

From material-properties.org

5. Reducing Flame | American Welding Society Education Online

A reducing oxyfuel gas flame with an excess of fuel gas. A reducing flame is often referred to as a carburizing flame when it imparts carbon into the surface of plain and alloyed steels. See also Oxidizing Flam e, Neutral Flame, and Oxyfuel Gas Welding. Click to Enlarge Carburizing Flame Neutral Flame Oxidizing Flame Oxyfuel Gas Welding

From awo.aws.org

6. Definition of reducing flame

Definition of reducing flame The blue part or inner cone of the flame produced by a blowpipe; characterized by an excess of hydrocarbon over oxygen so as to reduce mineral samples heated in it. See Also: blowpiping

From www.mindat.org

8. Reducing Flame – YouTube

Aug 11, 2017 · Illustrating a flame’s ability to reduce an oxidized piece of metal; these flames are known as ‘reducing flames’. In the above video, a propane torch is used…

From www.youtube.com

9. experimental chemistry – Uses of oxidizing and reducing flames …

Mar 01, 2016 · 1 Answer1. Show activity on this post. As the name suggests the oxidizing flame is used to oxidize probes, while the reducing flame is used to reduce probes. Hereby oxidation is done by oxygen, while reduction is done by reducing agents in the flame, such as carbon monoxide or hydrogen.

From chemistry.stackexchange.com

10. What is difference between oxidizing flame or reducing flame?

Oxidizing flame is the flame which produces large amount of oxygen and flame with low oxygen is called reducing flame. When amount of oxygen increases the flame becomes shorten,its color become dark. Reducing flame is in yellow color. Its yellowish color is due to carbon and hydro carbons. It is also known as carburizing flame. Sankalp Sharma

From www.quora.com


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