Category

Titration

Free Webinar: Precise understanding of titration principle to ensure error-free titration result – 12 Dec 2019

Titration is………….. One of the oldest analytical methods Based on chemical reaction Determination of the volume of a standard solution (titrant) Standard solution contains a defined number of molecules Measuring volume = counting molecules
Read More

Free Webinar: New Eco Titrator helps reduce risks in quality control

When something goes wrong in quality control, the reputation of your brand is at stake. Better to exclude risks in the first place, in the QC lab and anywhere else. With the new Metrohm Eco Titrator this is easy. It makes titration so simple, safe, and reliable that everybody can...
Read More

TitrIC flex II – the hyphenated IC and titration system for comprehensive anion and cation analysis

TitrIC Vario flex II – for complete analysis of anions and cations. Fully automated system for direct measurement of temperature, conductivity, and pH value, as well as for titrimetric determination of p value and m value.
Read More

Determination of sodium in foods using thermometric titration

Table salt (sodium chloride) is added to many foods as a preservative and flavor enhancer. Precise and accurate analyses are required for quality monitoring. Determination with thermometric titration is simpler and less expensive than with spectroscopy, and the entire process can be automated.
Read More

Quality control of NPK fertilizers – Rapid and reliable analysis by thermometric titration

Metrohm is pleased to present several titrimetric applications for the fast and straightforward determination of macronutrients such as sulfate, ammonium, potassium, and phosphate in NPK fertilizers. The reaction endpoint is determined using a thermometric sensor. Unlike competing methods such as gravimetric analysis or flame photometry, thermometric titration usually requires no...
Read More
Eco Dosimat

Metrohm Eco Dosimat Introductory Offer

Introductory Offer 2019! Metrohm Eco Dosimat Package *Offer ends December 31, 2019/Terms and condition apply
Read More
Eco Titrator

Metrohm Eco Titrator Introductory Offer

Introductory Offer 2019! Metrohm Eco Titrator Package *Offer ends December 31, 2019/Terms and condition apply
Read More
New ASTM D8045: Thermometric acid number determination in crude oil

New ASTM D8045: Thermometric acid number determination in crude oil

The ASTM has released a new method for Acid Number (AN) determination in crude oil and petroleum products by thermometric titration. Compared with potentiometric titration (ASTM D664), this method is more robust, faster, and simpler. Above all, this method will save you money, as you will need less solvent per analysis. > See how much...
Read More
OMNIS – an integrated approach to increase productivity and efficiency in the modern laboratory

OMNIS – an integrated approach to increase productivity and efficiency in the modern laboratory

OMNIS is the high-end titration system from Metrohm. It provides users with the possibility to consolidate their wet chemical analysis on a universal platform. With this comes the flexibility to expand and customize this platform as their business grows. Automation possibilities hitherto simply not available help taking productivity to the...
Read More
USP monograph modernization: Chemical medicines assay by potentiometric titration

USP monograph modernization: Chemical medicines assay by potentiometric titration

USP and Metrohm jointly developed a potentiometric titration method for potassium bicarbonate and potassium carbonate assay. The new method uses autotitration combined with suitable equivalence point detection fulfilling all USP method validation requirements as per USP General Chapter . Many of the chemical medicine assay procedures are done by manual...
Read More
Calcium (magnesium) in dairy products

Calcium (magnesium) in dairy products

This Metrohm Bulletin (235/3 e) describes a simple method for the determination of the calcium content in dairy products. The use of CuEGTA and the ion-selective copper electrode (Cu ISE) as indicator electrode allows the determination to be performed without time-consuming sample preparation. Skip time-consuming sample preparation This bulletin describes a...
Read More
Eco Dosimat – new, universal tool boosts productivity in the laboratory

Eco Dosimat – new, universal tool boosts productivity in the laboratory

A great deal of time is spent in laboratories every day on repetitive routine task such as preparing standard solutions, controlling syntheses and/or performing manual titrations. With the new Eco Dosimat, much of this time can be saved, as these tasks are performed faster, easier, and much more reliably. The...
Read More
«Good» fats vs. «bad» fats

«Good» fats vs. «bad» fats

Determine free fatty acid (FFA) content using thermometric titration The free fatty acid (FFA) content points to hydrolytic degradation reactions in the oil. Especially in deep fat frying, where wet foods are immersed into hot fat, water readily cleaves the ester bonds and liberates FFAs. Our Application Bulletin describes the...
Read More
Heavy metals in wine - simple and easy

Heavy metals in wine – simple and easy

Wine sometimes contains heavy metals which can be precipitated out by the addition of potassium ferrocyanide. Generally, these are quantities of iron ranging between 1 and 5 mg, and exceptionally up to 9 mg Fe/L. Zinc, copper, and lead – in descending order of content – may also be present.
Read More
Fully automatic determination of the total content of Ba, Ca, Mg, Pb, and Zn in unused lubricating oils

Total content of Ba, Ca, Mg, Pb, and Zn in unused lubricating oils

This Application Note describes the determination of total content of Ba, Ca, Mg, Pb and Zn in unused lubricating oil by means of the Optrode (610 nm). An excess of EDTA is first added to the metals. Afterwards, the excess EDTA is titrated back with magnesium chloride solution up to...
Read More
Determining the pH value of paper

Determination of total phosphate in phosphoric acid and phosphate fertilizers with 859 Titrotherm

Phosphate can be rapidly and easily titrated thermometrically using a standard solution of Mg2+ as titrant. The phosphate-containing solution is basified and buffered with NH3/NH4Cl solution before titration. The formation of insoluble MgNH4PO4 is exothermic. The method is a titrimetric adaptation of a classical gravimetric procedure.
Read More
Non-aqueous titrations, simplified

Non-aqueous titrations, simplified

Cleaning electrodes getting you down? Relax, the Solvotrode easyClean is here to help. Non-aqueous titrations have a habit of producing gluggy, gelatinous messes that take forever to clean from an electrode. For regular non-aqueous electrodes this means blocked membranes and low electrolyte flow, which in turn leads to slow responses,...
Read More
Water hardness analysis, lighten the workload

Water hardness analysis, lighten the workload

Improve your efficiency and reproducibility with automated titration. Water hardness, the concentration of dissolved calcium and magnesium in water, while not of concern for health purposes, is still a very important component of water quality. Hardness not a health risk, but ... Higher hardness in water results in scaling for...
Read More
Determination of boron in ores by fluoride titration

Determination of Boron in Ores by Fluoride Titration

Determination of boron in ores of the element such as borax and ulexite. Ores of boron such as borax and ulexite may be decomposed by acid digestion to yield boric acid. Acidic solutions of fluoride react exothermically with boric acid according to the equations: To form HBF4, boric acid will...
Read More
The determination of water content in margarine by Karl Fischer 899 Coulometer

Determination of the water content in tablets by automated Karl Fischer titration

The water content of tablets determines the release of their active ingredients as well as their chemical, physical, microbial and shelf-life properties. Accordingly, the water content is of crucial importance and has to be accurately determined. This paper describes the straightforward determination of the water content using automated volumetric Karl...
Read More
1 2