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Cyanide and sulfide via IC with amperometric detection

Cyanide and sulfide via IC with amperometric detection

Chromatogram of 10 ppb cyanide and sulphide in water. DC amperometry is a highly sensitive analytical method that is characterised by detection limits in the lowest ng/L range. Another outstanding feature is its high selectivity, which enables matrix effects to be suppressed in the chromatogram, so reliable analysis can be...
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pH electrode storage

Metrohm’s storage solution guarantees that your pH glass electrode is always ready for immediate use. The Metrohm storage solution, gentler than 3 mol/L KCl Long-term storage in KCl damages the glass and results in ever-increasing response times. When a combined pH glass electrode is kept in this Storage Solution the...
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Electrochemical Impedance Spectroscopy (EIS) basics explained

Electrochemical Impedance Spectroscopy (EIS) basics explained

Small footprint and modularity: the PGSTAT204 combines compactness with superior, research grade specifications. Electrochemical Impedance Spectroscopy or EIS is a powerful technique for the characterisation of electrochemical systems. The promise of EIS is that, with a single experimental procedure encompassing a sufficiently broad range of frequencies, the influence of the...
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Combustion IC for halogens and sulfur in LPG and gaseous samples

Combustion IC for halogens and sulfur in LPG and gaseous samples

The right tools to monitor halogens and sulfur in LNG facilities: Metrohm CiC. Thanks to the LPG/GSS Gas Module, it is possible to analyse the total halogen and sulphur content in both liquefied gases (LPG) and gaseous samples (GSS) – such as natural gas – using Combustion IC. The dosing...
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Tailor-made process analytical systems

Tailor-made process analytical systems

Process-integrated solutions allow for fast response, easy controlling and better accuracy. Would the integration of online or inline analysis and monitoring system make sense? Request a free assessment from our experts (see form below). Typical industries where analysers are routinely operated are industries dealing with pulp and paper, chemicals, petrochemicals,...
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Grape sample prep guide - tannin, colour and phenolics

Grape sample prep guide – tannin, colour and phenolics

A published AWRI method for the sample preparation of grapes recommends the use of the knife mill GRINDOMIX GM 200 from RETSCH: “For the samples 200-250 g: Retsch Grindomix GM200 … The homogeniser used must be capable of breaking up grape seeds so that the seed tannin can be extracted…...
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How often do you shake your pH meter?

How often do you shake your pH meter?

Don’t fiddle and shake – use a 827 pH meter – it’s an excellent Pro-tool. The 827 pH lab is a handy and very easy to operate pH meter with wireless infrared interface for daily routine work in the laboratory. Numerous functions, e.g. input options for user and/or sample identification,...
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Preventive Maintenance - your key to avoiding downtime

Preventive Maintenance – your key to avoiding downtime

Analysers that are serviced on a regular basis perform much better and provide more accurate results. It’s no surprise that a regularly serviced analyser out-performs, and outlives one that does not get this care. Our Service Engineers have received extensive factory training and are authorised to service, diagnose and repair...
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New NIR application notes available

New NIR application notes available

Metrohm NIRSystems Process Analysers determine the standard for real-time process analysis. Metrohm has announced the publication of several new Application Notes for online near-infrared spectroscopy. Follow the link to download for free.
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Sample Preparation database for Food and Feed

Sample Preparation database for Food and Feed

RETSCH laboratory mills are suitable for sample preparation not only to NIR analysis but a variety of analytical methods. With a specific Food database containing 31 application reports, 105 test reports, and 6 customer testimonials RETSCH have a wealth of experience to meet your needs for sample preparation of food...
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Free fatty acids in food oils in 1 minute

Free fatty acids in food oils in 1 minute

The 859 Titrotherm is a computer-controlled titrator for thermometric titration ideally suited for fast free fatty acid determination. The Metrohm 859 Titrotherm uses the 100-year-old thermometric titration technology, which utilises the principle that chemical reactions can be exothermic or endothermic. A highly accurate, robust sensor will accurately measure the endpoint...
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Determination of sugar and sugar alcohols via IC/MS

Determination of sugar and sugar alcohols via IC/MS

Using an MS detector after desalting for sugar determination. Read the application note. Trace levels of sugars and sugar alcohols are mainly determined using pulsed amperometric detection. This Application Note shows the determination of nine sugars and sugar alcohols applying an MS detector after desalting. MS detection is advantageous when...
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