Environmental Analysis & Electrochemistry Comfortable Thermal Imager


In the search for a suitable thermal imaging camera for the experiment, Mitzy Porras decided to review the technical requirements for experiments described in other academic papers. It became clear that the T650sc, a very popular thermal imaging camera in the world of research and academics, was exactly the right camera for the job.


The FLIR T650sc is a thermal research camera with 640 x 480 pixel resolution and small spot size, delivering precise results and reliable temperature measurement accuracy. It has a tiltable IR unit which enables users to conduct their experiments fast and in a comfortable position. The high quality LCD touch screen presents sharp and bright images and makes it easier to change the settings and interact with the menu. The T650sc also features FLIR’s proprietary MSX® and UltraMaxTM image enhancement functionalities.


“The FLIR T650sc allowed us to assess the temperature on the wheat stem and apical parts very accurately and it showed us the thermal gradient in great detail, which was the whole objective of this experiment,” said Mitzy Porras. “Furthermore, the camera is very easy to operate. You can choose to use the FLIR unit out in the fi eld or work with it in the lab, which makes it very fl exible. The camera can be used in various environments and it proved to acclimatise very well in the growth chamber.”


“I had worked with thermocouples before on other universities, but unfortunately this is not a very efficient technology to measure the temperature of plants,” says Mitzy Porras. “First of all, a thermocouple only measures the temperature on one point, not on a larger, more significant surface. Second, to


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Thermal gradient characterisation on individual plants: the temperature varies 2°C to 4°C, according to the relative humidity and stress at which the plant is exposed. Thermal gradient identifi cation using FLIR TOOLS.


Thermal gradient characterization on individual plants: the temperature varies 2°C to 4 °C, according to the relative humidity and stress at which the plant is exposed. Thermal gradient identification using FLIR TOOLS.


New Method for Total Mercury Measurement in Sediment Using Direct Mercury Analysis Published


Nippon Instruments Corporation (NIC) is pleased to announce the publication of a new application report describing the measurement of mercury (Hg) in sediment by thermal decomposition using atomic absorption spectroscopy. The method described in the report complies with US EPA Method 7473, Mercury in Solids and Solutions by Thermal Decomposition, Amalgamation, and Atomic Absorption Spectrophotometry.


Mercury in contaminated sediments can result in high levels of signifi cant exposure for aquatic species, wildlife and human populations consuming fi sh. Sediment mercury can be converted by microorganisms into methylmercury, a highly toxic chemical that builds up in fi sh, shellfi sh and animals that consume them. Mercury is dangerous to both natural ecosystems and humans because it is highly toxic, especially due to its ability to damage the central nervous system. To prevent mercury poisoning, or assess the possibility of a contamination problem, it is necessary to accurately quantify total mercury in sediments.


NIC Application Note MA-3A-EN-001, ‘Total Mercury in Sediment Using Direct Mercury Analysis’, includes information about calibration and measurement, and highlights the performance of the NIC MA-3000 direct thermal decomposition mercury analyser.


For the analysis described in the report, calibration was done using certifi ed aqueous ionic-mercury standard solution diluted to the required concentration. Measurement was performed by the MA-3000 analyser, a dedicated direct mercury analyser that selectively measures total


mercury by thermal decomposition, gold amalgamation and cold vapour atomic absorption spectroscopy on virtually any sample matrix.


The MA-3000 analyser is designed to provide quick results without an elaborate, time-consuming sample preparation process. The results show that the instrument is able to analyse sediment samples with accuracy and precision.


44419pr@reply-direct.com Fundamental Checks of Water Quality in One Go


Trans Instruments is pleased to announce the addition of the new HM3070 AquaCombo meter, which simultaneously measures fundamental water parameters - namely pH, Dissolved Oxygen, Conductivity or Salinity, and Temperature.


The HM3070 AquaCombo meter is specially designed for full portability, simplicity and ease of use which meets general environmental measurements. With a pH range of 2 to 12pH at a resolution of 0.1, Conductivity of up to 69mS, salinity up to 42ppt, Dissolved Oxygen level up to 30ppm and temperature of 0 to 60°C, the meter is ideally suited to aquaculture monitoring, open or closed water systems, environmental water checks, waste water control etc.


Calibration is made simple with 3 point buffer recognition calibration for pH, single point calibration at a preferred Conductivity range and in-air calibration for Dissolved Oxygen.


This meter is robust and rugged with a waterproof rating at IP67 for usage in hash weather conditions. A regular 1 meter cable probe for pH and conductivity and a 3 meter cable probe for DO will meet most measuring situations. The meter is able to store up to 99 data points in its memory. Now everyone, even site workers, can operate this simple to use AquaCombo meter.


sales@transinstruments.com 40468pr@reply-direct.com Products of Singapore www.transinstruments.com 7322ad@reply-direct.com SG


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INSTRUMENTS


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Serving professionals in fields of pH, Conductivity, TDS and Dissolved Oxygen, Light measurements in educational, food, environmental, horticulture & aquaclture technologies


for more than 25 years.


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