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RICCA Chemical Company
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Solutions, Standards and Reagents for your Lab.
Solutions, Standards and Reagents for your Lab.

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Our focus this month is on Dairy Testing. We offer a wide array of reagents, solutions and standards used in the analysis of Dairy products. Find out more at: www.riccachemical.com

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Friday Funny.
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Our focus for December will be on Dairy Product Testing. More to come!

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#TechTipTuesday: Find out more about Potassium Biiodate in this week’s tip. http://goo.gl/XMiZ4p

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Add this one to your Cyber Monday Shopping list.
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Potassium Hydrogen Phthalate (KHP) is a classic primary standard substance in that it is readily available in high purity; is relatively inexpensive; is easy to dry; is neither hygroscopic, oxidized by air, nor affected by Carbon Dioxide (thus making it easy to weigh out); does not undergo decomposition during storage; has a relatively high equivalent weight (thus reducing errors when weighed to 0.1 mg precision); is readily soluble in water; and is stoichiometric and instantaneous in reactions.

RICCA uses large quantities of KHP in the manufacture and quality control of its products. KHP is used in the manufacture of buffers, organic carbon standards, acidimetric standards and other products. It is also used in the quality control of Potassium Hydroxide and Sodium Hydroxide solutions, and in the standardization of Perchloric Acid in Glacial Acetic Acid. A typical acidimetric reaction is:

KHPhthalate + KOH → K2Phthalate + H2O

Phenolphthalein Indicator is most commonly used in titrations with KHP as an acidimetric standard.
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New Products: Karl Fischer Reagents
Who is Karl Fischer? Karl Fischer (March 24, 1901-April 16, 1958) was a German chemist. In 1935, he published a method to determine trace amounts of water in samples. This method is now called Karl Fischer titration and was originally performed manually but has been automated. It remains the primary method of water content determination used worldwide by government, academia and industry laboratories, including all major chemical manufacturers and petroleum refiners.

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Friday Funny
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New Product: Karl Fisher Reagents
Coulometric Titrations measure water content by generating free Iodine with an electrochemical current. The amount of current used to complete the titration is then used to determine water content. This test is performed one of two ways: In a cell with a diaphragm or without a diaphragm. Titrations with a diaphragm require two reagents: an anolyte solution for the anodic chamber and a catholyte solution for the cathodic chamber. Titrations without a diaphragm only use one reagent, an anolyte solution, as the cathodic chamber of the cell is designed not to need a reagent. RICCA’s HydroSpec™ Line of Reagents for Coulometric Titrations covers both cell types; HydroSpec™ Coulometric AG and HydroSpec™ Coulometric AH are versatile and can be used with or without a diaphragm.
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New Product: Karl Fischer Reagents
Volumetric determination of water content is performed with either a One Component or Two Component Titration. In One Component Titrations, all the necessary reactants are present in a single reagent. For Two Component Titrations, the process uses two solutions – a solvent and a titrant in which Iodine is present. In either titration, the sample will be dissolved in the solvent contained in the titration cell before the test begins. The titrant is then added
by a dosing pump. The amount of water present in the sample is then calculated based upon the volume of titrant needed to complete the reaction. RICCA’s HydroSpec™ Line of Reagents for Volumetric Titrations includes products for One and Two Component Titrations as well as specialty formulas created for specific sample types.
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