64 Water / Wastewater
New chemical resistant toroidal conductivity sensor for use in the harshest industrial conditions
Sensorex’s new TCSP series toroidal conductivity sensors have been designed for use with harsh chemicals or corrosive elements. With a measurement range up to 2,000 mS, it is a versatile sensor with applications across a broad range of applications that would damage typical contacting conductivity sensors.
The body is made of chemically resistant PEEK (polyether ethyl ketone) for use in aggressive chemical solutions and temperatures up to 266°F (130°C) and pressure up to 295 psig (9 bar). A built-in 1000 ohm Pt RTD provides output for automatic temperature compensation ensuring accuracy even when sample condition varies.
All Sensorex TCSP probes are supplied with a 9-conductor cable with tinned ends for easy connection to controller, transmitters and other devices. Available standard with 10-ft (3-meter) or 20-ft (6-meter) cables; custom lengths available on request.
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New test kits for monochloramine and nitrite augments comprehensive range of water and wastewater testing solutions
TALKING POINT
Chile’s New Constitution to
Overhaul Domestic Air and Water Regulation On July 4th 2022, exactly one year after the
New from CHEMetrics® :
test kits for monochloramine and nitrite utilizing the N-(1-naphthyl) ethylenediamine (NED) chemistry. They join the company’s long list of testing solutions for water and wastewater treaters.
We offer two methods for measuring ammonia levels in water, with ranges covering 0.5 ppm to 10,000 ppm. Our Nessler reagent (mercury containing) provides test results in two minutes or less. Our HBA reagent (hydroxybenzyl alcohol), meanwhile, is mercury-free and provides test results in six minutes or less with both visual and instrumental kit confi gurations.
For testing chemical oxygen demand (COD), CHEMetrics offers USEPA-accepted and mercury- free kits that deliver savings of 43% over competitor prices. CHEMetrics COD vials can be used with all spectrophotometers that accept 16 mm diameter round bottom cells. Use directly with Hach factory- programmed instrument calibrations—no need to modify procedures.
CHEMetrics is proud to offer reliable, accurate and affordable colorimetric water test kits that meet the highest quality control standards. With CHEMetrics systems, the analyst simply immerses the ampoule in the sample and snaps the tip to obtain fast, reliable results.
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58763pr@reply-direct.com IET SEPTEMBER 2022
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constituent assembly fi rst convened, President Gabriel Boric received a draft of Chile’s new constitution. Shortly, the text had been translated into a dozen languages to be poured over by journalists, politicians and intellectuals all around the world. The response was, for the most part, ecstatic, with an open letter declaring the document a “new global standard” signed by a vast swathe of world-renowned economists and social scientists, including Thomas Piketty, Jayati Ghosh, and Gabriel Zucman. Indeed, Luc Lavrysen, President of Belgium’s Constitutional Court, has noted that if Chile’s new Constitution is approved, it would be the most advanced in the world in matters of environmental protection.
This praise stems from the fact that the draft constitution explicitly accords rights to nature, including an inherent right to exist, which no other rights can impede. These protections make the state liable for all sorts of environmental harm, including pollution and ecosystem destabilisation. For instance, the draft builds on nature’s rights to enshrine human rights to clean air and more generally, to live in a healthy environment. The document also establishes broadly-defi ned natural commons, which will include both water and air, to be maintained in viable form for present and future generations – it’s largely this principle of long-term custodianship that has environmentalists around the world so exercised. Since, in keeping with this principle, the Chilean state will be responsible for securing the integrity of the nation’s ecosystems, by preserving, for example, watersheds, glaciers, permafrost, and oceans, the excitement of environmentalists registers the fact that these commitments represent a legal requirement to fi ght climate change.
Now, it’s important to note the manner in which the state will be enabled to enforce all of this, because the Chilean state is almost completely renovated in the draft constitution. In contrast to the mostly centralised, senate-based authority that has governed Chile since the ascendancy of General Augusto Pinochet, the draft’s vision is of a ‘regional state’ composed of relatively autonomous regions and communes. Building on the establishment of regional governorships, the creation of Regional Assemblies will further strengthen the infrastructure of participatory democracy in Chile, enabling wide-spread engagement in plebiscites, referenda, and consultations.
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