What is in hydranal water Standard?
HYDRANAL-Water Standards consist of a solvent mixture with specific composition and precisely determined water content. The exact amount of water is given on the Certificate of Analysis which is enclosed in each product package. HYDRANAL-Water Standards are filled under Argon in 4 mL or 8 mL glass ampoules.
What is Hydranal used for?
Hydranal-Composite is the most frequently used pyridine-free Karl Fischer titrating reagent. It offers unlimited water capacity and the greatest flexibility for media, including methanol-reacting compounds (ketones and aldehydes).
What is Hydranal solution?
Hydranal-Solvent is an alcoholic solution of sulfur dioxide and imidazole. The alcohol is either methanol for standard reagents or ethanol for E-type reagents. Further types of Solvent reagent based on different mixtures enable to meet the sample dissolution properties.
Why do we use DST in KF calibration?
DST is primary standard and it is stable up to 150 degree Centigrade. It release free water molecules easily when reacts with KF reagent. This DST has 15.66% water molecules so we can easily calculate and standardize the KF reagent.
What is Hydranal Coulomat?
HYDRANAL™ – Coulomat A, Reagent for coulometric KF titration (anolyte solution), preferred for cells with diaphragm, Honeywell Fluka™
What is Karl Fischer test?
Karl Fischer titration is a classic titration method in chemical analysis that uses coulometric or volumetric titration to determine trace amounts of water in a sample. It was invented in 1935 by the German chemist Karl Fischer. Today, the titration is done with an automated Karl Fischer titrator.
How do you calculate water factor?
The water equivalence factor F, in mgs of H2O per ml of reagent, is calculated according to the formula 0.1566 x w/v, where W is the weight in mgs of sodium tartrate and V is the volume in ml of the reagent.
What is KF reagent?
As shown in Formula (1) below, the Karl Fischer method uses Karl Fischer reagent, which reacts quantitatively and selectively with water, to measure moisture content. Karl Fischer reagent consists of iodine, sulfur dioxide, a base and a solvent, such as alcohol.
Do you need special instructions before using hydranal?
Obtain special instructions before use.;Do not handle until all safety precautions have been read and understood.;Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.;Keep container tightly closed.;Ground/bond con
Which is the best brand of hydranal water?
Hydranal™ is the most trusted brand in Karl Fischer titration because of its dedication to quality, consistency and continued innovation. 153-155 °C (1.013 hPa. Anisole)
Is the name hydranal a trademark of Honeywell?
Hydranal is a trademark of Honeywell Specialty Chemicals Seelze GmbH. © 2016 Honeywell International Inc. All rights reserved. All statements and information provided herein are believed to be accurate and reliable, but are presented without guarantee, warranty or responsibility of any kind, express or implied.