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EC-3587 Digital 3 in 1 Waterproof PH/EC Temperature Meters LCD with Backlight Temp with Automatic Temperature Compensation - - Amazon.com
Benchtop pH Meter (PH500) | Sagartex Engineering Ltd.
Water | Free Full-Text | Water and Sediment Budget of Casiquiare Channel Linking Orinoco and Amazon Catchments, Venezuela | HTML
Dynamic behavior of dissolved and soluble titanium along the salinity gradients in the Pará and Amazon estuarine system and associated plume - ScienceDirect