Post Jobs

KATODNA ZASTITA PDF

Katodna zaštita ukopanih i uronjenih metalnih konstrukcija = sigurnost i zaštita narušavaju sigurnost eksploatacije metalnih konstrukcija, zaštita od korozije. Title, Katodna zaštita narinutom strujom u funkciji zaštite dijelova broda. Author, Andrej Frank. Mentor(s), Nikola Tomac (thesis advisor). Parallel. Get this from a library! Korozija: elektrokemijske osnove i katodna zaštita. [ Božidar Jarić; Antonija Rešetić].

Author: Yozshukus Meztilar
Country: Central African Republic
Language: English (Spanish)
Genre: Video
Published (Last): 2 September 2016
Pages: 298
PDF File Size: 4.2 Mb
ePub File Size: 9.81 Mb
ISBN: 842-9-19096-912-4
Downloads: 84711
Price: Free* [*Free Regsitration Required]
Uploader: Arajin

Acylaction reaction involves the introduction of an acyl group RCO- into a compound. Anodising can also be used to produce a decorative finish by formation of an oxide layer that can absorb a coloured dye.

By protection of the environment, the following is ensured: The sacrificial anodes must be replaced periodically as they corrode. Used for many purposes from airplanes to beverage cans. Cathode rays are streams of electrons. Additives are often present in small amounts and are used for a variety of purposes, as in preventing corrosion, stabilizing polymers, and preserving and improving food.

Cathodic protection is a process zastlta which a structural metal, such as iron, is protected from corrosion by connecting it to a metal that has a more negative reduction half-cell potential, which now corrodes instead of iron.

It is soft, lightweight, silvery-white metal. The origin of the name comes from the Latin word alumen meaning alum. The protected metal becomes the cathode and does not corrode. There are two major variations of the cathodic method of corrosion protection. Groundbed is a buried item, such as junk steel or graphite rods, that serves as the anode for the cathodic protection of pipelines oatodna other buried structures.

Cathodic protection is a process in which a structural metal, such as iron, is protected from corrosion by connecting it to a metal that has a more negative reduction half-cell potential, which now corrodes instead of iron.

  LIBROGAME DRACULA PDF

A thin sheet of metal can afford protection to the skin. Aluminium is obtained by electrolysis from bauxite. Aluminium is obtained by electrolysis from bauxite. The first is called the impressed current method, and the other is called the sacrificial anode method.

Exposed surfaces quickly form protective oxide coating. A thin sheet of metal can afford protection to the skin. The introduction of an acetyl group CH 3 CO- is acetylation, a process used for protecting -OH groups in organic synthesis. It is soft, lightweight, silvery-white metal.

Prevlaka (tehnologija)

Metal reacts violently with oxidants. Used for many purposes from airplanes to beverage cans. Additive is a substance added to a material to improve its properties in some way.

Streams of beta particles are known as beta ray or beta radiation. The origin of the name comes from the Latin word alumen meaning alum. Exposed surfaces quickly form protective oxide coating. Cathode rays are streams of electrons.

Results 1—10 of 34 for katodna zastita. The sacrificial anodes must be replaced periodically as they corrode.

An alkyl halide is reacted with an alcohol or a carboxylic acid anhydride e. The iron pipe will be connected to a more reactive metal kagodna as magnesium through cooper wires, the magnesium will donate its electrons to the iron preventing it from rusting. Image Gallery Analytical chemistry Crystal systems Electrodes and cells Graphs and tables Hazard labels Laboratory apparatus Laboratory glassware Molecular geometry Structural formulas.

There zawtita two major variations of the cathodic method of corrosion protection.

KATODNA ZAŠTITA KATODNA ZAŠTITA – Bisnode

Image Gallery Analytical chemistry Crystal systems Electrodes and cells Graphs and tables Hazard labels Laboratory katldna Laboratory glassware Molecular geometry Structural formulas.

Beta jatodna may cause skin burns and are harmful within the body. Acylaction reaction involves the introduction of an acyl group RCO- into a compound. Anodising is a method of coating objects made of aluminium with a protective oxide film, by making them the anode in an electrolytic bath containing an oxidising electrolyte. Beta rays may cause skin burns and are harmful within the body.

  LADLAD BOOK PDF

An alkyl halide is reacted with an alcohol or a carboxylic acid anhydride e. From Environment protection law of the Republic zastjta Croatia: Additives are often present in small amounts and are used for a variety of purposes, as in preventing corrosion, stabilizing polymers, and katoena and improving food. Pieces of zinc or magnesium alloy are attached to pump bodies and pipes. Groundbed is a buried item, such as junk steel or graphite rods, that serves as the anode for the cathodic protection of pipelines or other buried structures.

Anodising can also be used to produce a decorative finish by formation of an oxide layer that can absorb a coloured dye. Cathode ray is a negatively charged beam that emanates from the cathode of a discharge tube.

Katodna zastita @ Chemistry Dictionary & Glossary

From Environment protection law of the Republic of Croatia: Iron which is oxidises will immediately be reduced back to iron. The first is called the impressed current zashita, and the other is called the sacrificial anode method. Additive is a substance added to a material to improve its properties in some way.

The introduction of an acetyl group CH 3 CO- is acetylation, a process used for protecting -OH groups in organic synthesis.