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Latest Application Notes

Potassium Bromate in Bakery Products
Application Note

Potassium Bromate in Bakery Products

Potassium bromate is recognised as one of the best dough conditioners in the bakery industry. Scientific evidence surfaced in 1990, implicating bromate as a possible carcinogen. In response the United Nations Joint Food and Agricultural Organisation and the WHO reduced bromate residuals to less than 5 parts per billion (ppb) in finished products.
Simultaneous Analysis of Anions and Cations by Tandem Chromatography with Conductivity Detection
Application Note

Simultaneous Analysis of Anions and Cations by Tandem Chromatography with Conductivity Detection

Tandem chromatography is emerging as a powerful technique to double the output of HPLC equipment by simultaneously carrying out two different analyses on the same sample. The principle is straightforward: the sample is split in two at the injection port, and each aliquot is eluted on a different column and analysed by a different detector.
Determination of Sudan I and its Analogues in food
Application Note

Determination of Sudan I and its Analogues in food

Sudan I is the common name given to 1-phenylazo-2-naphthol, a fat-soluble dye used industrially to colour oils, waxes, greases, varnishes etc. It has been recognised by health authorities as being potentially carcinogenic, and is banned as a food additive in the UK and across the European Union.
Analysis of Inorganic Cations in Drinking and Waste Water by Cation Exchange Chromatography with Conductivity Detection
Application Note

Analysis of Inorganic Cations in Drinking and Waste Water by Cation Exchange Chromatography with Conductivity Detection

Inorganic cations are significant indicators of the quality of drinking waters and their suitability for human consumption. They have important physiological effects and they alter the palatability of water.
Ultra Low Detection Limits for Inorganic Anions and Cations in Power Station Boiler Water Analysis
Application Note

Ultra Low Detection Limits for Inorganic Anions and Cations in Power Station Boiler Water Analysis

Boilers used in power stations hold ultra pure water, the purity of that water needs to be determined by highly sensitive techniques. Ion Chromatography is a technique which offers high sensitivity.
Sugars in Soft Drinks and Wine
Application Note

Sugars in Soft Drinks and Wine

Carbohydrates are important constituents in both food and drink. They are frequently added to improve the flavour and palatability to the consumer. Non-alcoholic drinks, especially carbonated soft drinks, can have as much as 10.7 g of sugars added to them. Although there are specific carbohydrate columns for the separation of mixtures of sugars these can be expensive.
EPA Priority Pollutants in Water
Application Note

EPA Priority Pollutants in Water

It normally takes some 40 minutes to analyse a 16 component mixture of polyaromatic hydrocarbons (PAHs) or polynuclear aromatic hydrocarbons (PNAs). With the aid of the WaveQuest UV/Visible HPLC detector, this analysis is greatly speeded up to 4 minutes and can now be performed on a routine basis.
Determination of Oil in Wax
Application Note

Determination of Oil in Wax

Although wax was originally treated as a waste product by the oil refining industry, it is now widely used in manufacturing because of its specific mechanical and physical properties. As oil content is one significant parameter in the composition of wax that affects its physical properties, it needs to be measured routinely.
Sample Reformatting and Sample Archiving
Application Note

Sample Reformatting and Sample Archiving

Biobanking is becoming a central element in the study of patient genetic data and clinical application of genetic research. Until recently, collections of DNA samples have tended to be fairly small and localized with varied sample containers that were unsuitable for an increasing throughput and automated system use.
Reading Racked 2D-Coded Cryo Tubes directly from -80ºC Freezer
Application Note

Reading Racked 2D-Coded Cryo Tubes directly from -80ºC Freezer

With the storage of biological samples such as DNA, protein, blood fractions and viable cells becoming commonplace. The need to store them at lower temperatures has resulted in reading challenges for traditional rack readers.
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