The Hijri calendar is a lunar calendar utilized by Muslims worldwide for observing time. It spans around the cycles of the moon, with each month beginning at the sighting of the new moon. Unlike the Gregorian calendar, which is solar-based, the Hijri calendar consists 12 months which a total duration of approximately 354 or 355 days. This makes … Read More


A well-equipped laboratory positively relies on a wide selection of critical reagents and chemicals. These aren’t merely advantageous tools; they are the very cornerstone of scientific endeavors. From common acids like hydrochloric acid like sulfuric acid to unique solvents such as dimethyl sulfoxide and acetonitrile, careful management and suit… Read More