In the present work, an automatic procedure for turbidimetric determination of sulfate in rainwater, based on the multicommuted flow analysis approach, is proposed. The photometer set-up was developed ...

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Industrial Test Systems (USA) is pleased to announce the release of its ultimate water quality tester, the eXact Micro 20 dual wavelength photometer. The eXact Micro 20 is waterproof (IP-67) and ...

A D-dimer test checks for certain proteins in the blood to rule out certain clotting disorders. (Photo credit: Science Photo Library/Getty Images) A D-dimer test is a blood test that can be used to ...

Diabetes test strips are an easy way to test your blood sugar, aka your glucose levels. This is important for people with diabetes. The strips work with glucose meters to “read” your blood sugar ...

This calculation can be used for hypothesis testing in statistics Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive ...

This technical note discusses the rationale for using two-point calibration and multi-point verification in the calibration of aerosol photometers. It explains the theoretical basis for the linear ...

It supports the two-point calibration practice to minimize errors, particularly at lower concentrations, and recommends measures such as improved aerosol systems and automation to enhance calibration ...

The spacecraft, SPHEREx and PUNCH, had been expected to launch on a SpaceX rocket on Saturday. By Katrina Miller Two NASA missions will have to wait longer for a launch aboard a single rocket. Both ...

Two University of Illinois doctors reported last week that they had developed an instrument which, they hoped, would help to detect heart disease in its earliest stages. If their hope is fulfilled, ...