The Bluetooth enabled Ultrapen meters by Myron L Company for pocket sized, portable testing of pH and conductivity are a great way to take, store and send readings. The app to take readings from the pens has now been updated to be compatible with iOS 9 devices - just search the app store for "Ultrapen PTBTx" to download the latest version and get testing. [caption id="attachment_8745" ali...
Laboratories using a deioniser system to generate deionised (or DI) water in house should test the water produced regularly, to ensure the system is working well and producing water of the required purity. [caption id="attachment_8125" align="aligncenter" width="300"] How can you test your DI water is pure enough?[/caption] Conductivity is usually used as a good indicator of the quality, ...
Seawater has an average salinity of 35 ppt = 35 parts per thousand (equivalent to 35,000ppm or 3.5%). However the salt level does change depending on rainfall, evaporation, ice thawing or rivers, so the salinity can vary over areas, time or seasons. Camlab can offer two handheld meters which quickly and directly measure salinity up to the high levels required for seawater. [caption id=...
