Pasteur pipettes are comprised of glass. With its bulb-shaped top, a Pasteur pipette resembles an archetypal liquid dropper. Pasteur pipettes are regarded as quite inaccurate these days. They may be neither calibrated nor graduated, and are more generally used in biology – in lieu of chemistry – laboratories as a technique for transferring aque… Read More

to deliver even more safety a chemical passivation is placed on the zinc coating. This is often a chemical chromate that results in a yellow colour and a harder floor. This screw finish is commonly abbreviated to “ZYP” or Zinc and Yellow Passivated. Screw generate types are designed for several abilities, including tampering prevention, stabil… Read More