Posts tagged 'quality control'

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Which moisture balances are glass free for food manufacturing sites?

Moisture balances offer a fast way to analyse the moisture content of food samples, and are ideal for quality control checks during production or before final product release. However some of the balances contain glass parts, which presents a hazard in food manufacturing areas. We've found two moisture balances that do not contain any glass, making them suitable for food production areas....
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Determination of Calcium in Milk using a Flame Photometer

The team at Jenway have described a method to determine calcium level in milk samples using their PFP7 Flame Photometer. Calcium is usually present at about 120mg per 100ml milk, or 0.11%, but this varies with the type. The method and equipment required are summarized below to test milk samples for calcium content.   [caption id="attachment_10449" align="aligncenter" width="422"] ...
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How do I prepare samples for melting point analysis?

Melting point tests provide a fast and simple method to verify the purity of solid samples in the lab after synthesis or in manufacturing as a quality control check. Preparing the samples correctly will ensure results are accurate and comparable. We've taken a look at the proper way to prepare samples for melting point analysis below. [caption id="attachment_10413" align="aligncenter" wid...
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How can I measure the caffeine content in drinks?

How can I measure the caffeine content in drinks? Caffeine is a naturally occurring molecule found in various plants worldwide, and found in beverages such as tea, coffee and soft drinks. [caption id="attachment_9540" align="aligncenter" width="290"] A wide variety of drinks contain caffeine - UV spectroscopy allows you to measure the amount present[/caption] The amount of caffeine present i...

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Detecting water in solvents, petrol or in building maintenance - Waterfinder or Watesmo?

Macherey Nagel have added a new test paper to their range - the Waterfinder test paper detects the presence of water with a clear, visible colour change. The principle of the test is very similar to their existing Watesmo test paper - so how can you choose which is best for your application? [caption id="attachment_8817" align="aligncenter" width="603"] How can you choose between Watesmo ...

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How can I count small items quickly for a stock take or packing?

Q: I work with small components which we need to count - sometimes for a stock take, or when we're making up packs for sale. Is there any tool we can use to make this counting step faster and more accurate? [caption id="attachment_8773" align="aligncenter" width="300"] Counting small parts like washers, screws or electronic components? Use a balance to count them by weight quickly and accur...

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How can I ensure a secure and repeatable curing process?

The manufacture of medical devices is a process which requires highly accurate, repeatable control. An Austrian company manufacturing cochlear implants has entrusted their vital silicone curing step to Memmert ovens. [caption id="attachment_6361" align="aligncenter" width="200"] The MED-EL manufacturing facility in Austria uses memmert ovens for secure, accurate curing of silicone and adh...

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How can I test the stability or degradation of products over time?

The stability and degradation of products over time is an important issue to consider in the food manufacturing industry - not only in terms of the quality of the product but also with regards to bacterial growth and shelf life testing. [caption id="attachment_5875" align="aligncenter" width="224"] The IPP range of incubators are a popular choice for shelf life testing in the food industry[/...

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