Calibration is one of the most critical steps in the pH measurement process. Some of the common calibration-related problems include out-of-range slope values and cell constants, inaccurate readings ...

MANILA, Philippines–With the April-September rice-production lean months settling in, the country’s national stock of milled rice shrank by 8.5 percent to 2.31 million tons as of June 1, from 2.52 ...

Salmo gairdneri erythrocytes were lysed and the oxygen-binding properties of the haemolysates in 0.1 M tris-HCl, veronal-HCl, imidazole-HCl and phosphate buffers were determined over the pH range ...

To grow good plants, you need good soil. The only way to tell what your soil really needs is to take a soil test. Applying too much fertilizer could be detrimental to your plants. You could waste ...