The DR1900 by Hach is a portable spectrophotometer with over 220 pre-programmed test methods, accepting the Hach and the Lange chemistry. It is rugged and has a large, clear screen, with easy to use navigation, making it great for use in the field. [caption id="attachment_15657" align="aligncenter" width="300"] The DR1900 portable spectrophotometer[/caption] The DR1900 will accept the followi...
The DR900 by Hach is a robust, portable colorimeter, capable of performing many dozens of different tests, supporting the Hach chemistry type. It can accept a number of different sizes cuvettes/samples cells – 1 inch round sample cells 1cm sample cells 16mm COD/TNT vials [caption id="attachment_15641" align="aligncenter" width="300"] Hach DR900 colorimeter[/caption] Every Hach method c...
Hach have a wide variety of sample cells for use in their colorimeters and spectrophotometers. The correct type of sample cell that is required for every method programme with each compatible instrument will be detailed at the start of the method sheet. Here, any adapters that may be required along with any extra equipment needed to perform the test will also be listed. This is the typical form...
Macherey-Nagel have a selection of VISOCOLOR Powder Pillows available for free Chlorine, total Chlorine and pH photometric determination. [caption id="attachment_13713" align="aligncenter" width="224"] Free Chlorine VISOCOLOR Powder Pillows[/caption] The benefits of VISOCOLOR Powder Pillow includes: Long shelf life- 5 years from production Easy dosing- all reagents in just one powde...
Bitterness in beer is measured on the International Bitterness Units (IBU) scale. This measures the amount of primarily iso-α-acids in a beer which is the acid found in hops that gives beer it's bitter taste. [caption id="attachment_9660" align="aligncenter" width="300"] Hops growing[/caption] The most widely used method to measure IBU is through spectrophotometry. Whilst some procedures ...
The chemical reaction, known as the Maillard reaction, between amino acids and reducing sugars gives your beer the identifiable brown and amber hues. Not only is the colour important by effecting the consumer's sensory anticipation of the beer's taste, monitoring the colour will also help diagnose if there are any issues in the production of the beer. To maintain the same high quality be...
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...
Spectrophotometers are relied on by a wide range of laboratories, for tests ranging from specific parameters, like chlorine or metals concentrations, right through to complex analyses of reaction kinetics. When choosing a spectrophotometer the range of specifications and price is vast, so take the time to list the features you need before you buy and make sure you choose the right one. [c...
