Iodine Value Compound

  • Iodine Value - an overview | ScienceDirect Topics

    Iodine Value (IV) Iodine value (IV) is the percentage of its own weight—with which a fat will combine—of halogen calculated as iodine, the conditions of the test being indicated. The most popular procedure is known as the Wijs method, but all methods suppose that a normal carbon-carbon double bond takes up two atoms of iodine.

  • Lab: Degree of Unsaturation of Different Oils ...

    Iodine value is the number of iodine consumed by fat. Higher iodine value represents a higher degree of unsaturation. Therefore, the problem is what are the iodine values of the oils that are investigated, including olive oil, peanut oil, canola oil, and coconut oil.

  • Structure Indices in FA Chemistry. How Relevant is the ...

    in which IV is the iodine value, db is the number of double bonds, MW f is the M.W. of the fatty compound, and 253.81 is the atomic weight of two iodine atoms that are theoretically added to one double bond. Accordingly, the IV of a mixture of fatty compounds can be calculated by Equation 2, …

  • Iodine - Element information, properties and uses ...

    The toxic qualities of iodine were soon realized, and the tincture, a yellowish brown solution began to be widely used as a disinfectant. Even today, the most common water purification tablets one can buy in travel shops are based on iodine.

  • Iodine value - Wikipedia

    The iodine value (or iodine adsorption value or iodine number or iodine index) in chemistry is the mass of iodine in grams that is consumed by 100 grams of a chemical substance.Iodine numbers are often used to determine the amount of unsaturation in fatty acids.This unsaturation is in the form of double bonds, which react with iodine compounds.The higher the iodine number, the more C=C bonds ...

  • Iodine | chemical element | Britannica.com

    Apr 12, 2019· The only naturally occurring isotope of iodine is stable iodine-127. An exceptionally useful radioactive isotope is iodine-131, which has a half-life of eight days.It is employed in medicine to monitor thyroid gland functioning, to treat goitre and thyroid cancer, and to locate tumours of the brain and of the liver.It is also used in investigations to trace the course of compounds in metabolism.

  • Total Polar Compounds and Acid Values of Repeatedly Used ...

    FFA, iodine value, carbonyl value and the content of total polar compounds, or on its physical characteristics such as oil color, viscosity and dielectric constant. Establishing the correlation between the standard and rapid methods for the content of total polar compounds and acid value in used

  • IODINE VALUE (I.V.) | palm oil

    IODINE VALUE (I.V.) | palm oil DEFINITION AND SCOPE The most important application of the iodine value is to determine the amount of unsaturation contained in fatty acids. This unsaturation is in the form of double bonds which react with iodine compounds. The higher the iodine value, the more unsaturated fatty acid bonds are present in a fat.

  • What is unsaturation test in organic chemistry? - Quora

    Sep 11, 2017· An unsaturation test is a test that determines does the compound have any double bonds, triple bonds or none at all. There are few examples: Bromine Test The bromine test is a qualitative test (here it is the colour of the solution) which can dete...

  • US5574179A - Concentrated biodegradable quaternary ...

    The present invention relates to softening compounds; stable, homogeneous, preferably concentrated, aqueous liquid and solid textile treatment compositions; and intermediate compositions and/or processes for making said compositions. The compositions of the present invention contain diester quaternary ammonium compounds wherein the fatty acyl groups have an Iodine Value of from greater than ...

  • THE DETERMINATION OF THE IODINE NUMBER OF LIPIDS

    1. For the determination of the iodine number of oleic and ricin- oleic acids both the Hanus and the Rosenmund methods give the same value which is very near the theoretical. 2. In linoleic acid and cod liver oil the Hanus method gives 2 to 4 per cent higher values than the other. 3.

  • Iodine compounds | Article about Iodine compounds by The ...

    Iodine forms many compounds. With hydrogen it forms hydrogen iodide, which in water solution becomes hydriodic acid. It forms compounds with certain nonmetals (e.g., carbon, nitrogen, phosphorus, and oxygen) and with most metals. Iodine is displaced from its compounds by the other halogens.

  • Why iodine value is important for essential oils?

    Iodine value is the ‘g’ of iodine absorbed by 100 g of the oil/fat. The iodine value gives an idea of the average degree of unsaturation of an oil/fat.

  • Why interhalogen compound is used in determination of ...

    Why interhalogen compound is used in determination of iodine value instead of halogen compound? ... while Iodine is strongly acidic. In this compound potassium is in +1 oxidation state, while ...

  • Iodine compounds - definition of Iodine compounds by The ...

    Define Iodine compounds. Iodine compounds synonyms, Iodine compounds pronunciation, Iodine compounds translation, English dictionary definition of Iodine compounds. n.

  • Standard Methods for the Analysis of Oils, Fats and ...

    2.203 Determination of the ester value (E.V.) 2.204 Determination of volatile acids (Reichert-Meissi, Polenske and Kirschner values) 2.205 Determination of the iodine value (IV.) 2.206 Determination of di- and tn-unsaturated fatty acids by ultraviolet spectrophotometry 2.207 Determination of content of isolated trans-unsaturated compounds by ...

  • How Are Iodide and Iodine Different? - Dr. Group's Healthy ...

    Feb 25, 2015· Dietary iodine also occurs naturally as an iodide, such as potassium iodide or sodium iodide (the kind typically placed into salt). When you purchase iodine from the local drug store, it's usually an iodide solution. This combination allows the body to absorb and use it safely. So iodine and iodide are simply different expressions of the same ...

  • Iodine value - Revolvy

    The iodine value (or "iodine adsorption value" or "iodine number" or "iodine index") in chemistry is the mass of iodine in grams that is consumed by 100 grams of a chemical substance . Iodine numbers are often used to determine the amount of unsaturation in fatty acids . This unsaturation is in the form of double bonds, which react with iodine compounds.

  • Iodine - Simple English Wikipedia, the free encyclopedia

    Iodine pentoxide is a white solid, and iodine pentafluoride is a yellowish liquid. Periodates, like sodium periodate, are colorless solids similar to perchlorates, although weaker oxidizing agents. They decompose to iodates when they are heated. Periodic acid is not as stable as iodic acid. Iodine heptafluoride is the only iodine(VII) compound.

  • Determination Of Saponification And Iodine Value Of ...

    Iodine number is the number of grams of iodine or iodine compound absorbed by 100gm of oil. It is found that saponification and iodine value of sunflower oil are 144 and 133 respectively. Even though there are different kinds of vegetables, this study is limited to sunflower oil. Keywords: Sunflower Oil, Iodine Value and Saponification Value.

  • Iodine value - Howling Pixel

    Iodine value. The iodine value (or iodine adsorption value or iodine number or iodine index) in chemistry is the mass of iodine in grams that is consumed by 100 grams of a chemical substance.Iodine numbers are often used to determine the amount of unsaturation in fatty acids.This unsaturation is in the form of double bonds, which react with iodine compounds.

  • What is the difference between peroxide value and iodine ...

    Jul 13, 2017· The peroxide value is the amount of oxygen consumed in the reaction that reduces all the unsaturated (C=C) bonds in a given amount (mass) of a lipid mixture during autoxidation. (The oxygen ultimately forms peroxides). The peroxide value is propor...

  • Iodine Element Facts - Periodic table

    Iodine is important in medicine, in both radioactive and non-radioactive forms. Iodide and thyroxin, which contains iodine, are used inside the body. A solution containing potassium iodide (KI) and iodine in alcohol is used to disinfect external wounds. Elemental iodine is also used as a disinfectant. Silver iodide is used in photography.

  • Iodine monochloride | ICl - PubChem

    Iodine according to Wijs for the iodine value determination. Iodine monochloride solution, 1.0 M in methylene chloride. Iodine monochloride, 1M solution in dichloromethane, AcroSeal(R) Iodine monochloride, ACS reagent, 1.10+/-0.1 I/Cl ratio basis

  • Iodine | I2 - PubChem

    Iodine is an essential constituent of thyroid hormones and is essential for normal growth and development. Iodine deficiency causes goiter and hypothyroidism in children and adults, and cretinism if present during fetal development. Iodine deficiency is the most common cause of preventable mental defects in the world today. Cretinism and goiter are completely preventable by iodine supplementation.

  • Iodine Value of Rubber and Gutta-Percha Hydrocarbons As ...

    Abstract HALOGEN absorption methods employing solutions of bromine, iodine bromide, or iodine chloride are widely used for determining the unsaturation of organic compounds. In the use of these methods the choice of halogen reagent, the amount employed, and the time and temperature for the reaction are all important factors which must be given careful consideration in order that the best ...

  • What Is an Iodine Value? (with pictures) - wisegeek.com

    Apr 11, 2019· The iodine value, or iodine adsorption value, is used in analytical chemistry to measure the amount of unsaturation of oils and fats. Animal and vegetable oils and fats — known chemically as triglycerides — have chains of carbon atoms that can bond with hydrogen.When the carbon atoms in these chains are bonded to the maximum possible number of hydrogen atoms, the triglyceride is said …

  • COMPOUNDS OF THIOL ACIDS WITH ALDEHYDES

    These compounds can be titrated with 0.1 N iodine in alcohol. A weighed sample is dissolved in 15 cc. of alcohol to which are added 2 cc. of aqueous 4 M potassium acetate. The end-points are quite sharp. The iodine value given with each compound

  • Iodine - Wikipedia

    Iodine is essential in the synthesis of thyroid hormones. Iodine deficiency affects about two billion people and is the leading preventable cause of intellectual disabilities. The dominant producers of iodine today are Chile and Japan. Iodine and its compounds are primarily used in nutrition.

  • Lab: Degree of Unsaturation of Different Oils ...

    Newly synthesized organic compounds will all consist saturated fatty acids and are called diiodo alkanes, or organoiodine compounds. Iodine value is the number of iodine consumed by fat. Higher iodine value represents a higher degree of unsaturation. Therefore, the problem is what are the iodine values of the oils that are investigated ...

  • Vikoflex® 7170 Epoxidized Sybean Oil Data Sheet

    hydroxyl value, viscosity, polymerization effects, and base soybean oil. The only economically unaffected area for improved performance lies in raw material improvements and selection. Vikoflex® 7170 epoxidized soybean oil utilizes only the highest iodine value, lowest saturate soybean oil available in the country, reducing the probability

  • Iodine value | chemistry | Britannica.com

    Iodine value, also called Iodine Number, in analytical chemistry, measure of the degree of unsaturation of an oil, fat, or wax; the amount of iodine, in grams, that is taken up by 100 grams of the oil, fat, or wax. Saturated oils, fats, and waxes take up no iodine; therefore their iodine value is ...

  • How do I calculate theoretical iodine value of an ...

    You can calculate theoretical iodine value based on number of unsaturation in a compound with known molecular mass and weight. For example the theoretical iodine value of 100 g of linoliec acid ...