Star InactiveStar InactiveStar InactiveStar InactiveStar Inactive
 

Sand, rock, and other impurities surrounding the mineral of interest in an ore.

Latest Articles

  • Interesting facts about metals

    Metals have been used by people since ancient times. All the time the process of obtaining them was improved, useful alloys of various metals appeared. Let’s look at interesting facts about metals.

  • Diamonds Are Forever

    Diamonds are still a girl's best friend, right? We love the shiny gems. They are the most popular rocks sold today. But what exactly are they, anyway? Where do they come from? What else are they used for?

  • Use of diamonds

    Diamond is a crystalline modification of pure carbon formed in the deep interior of the Earth, in the upper mantle at depths of more than 80-100 kilometers, at exceptionally high pressure and temperature. It is the most precious stone, the hardest and most wear-resistant mineral, the most...

  • What's In Your Beverage? How to Ensure Quality Control with CO2 Analytical Support

    Calibration standards, performance audits, and the FDA's never-ending safety, labeling, and inspection requirements are just the tip of the iceberg when it comes to dealing with the increasingly stringent quality control standards of the beverage industry. As these quality standards become...

  • Why do copper products change color, and what is the name of the process?

    Probably, every person wants to know, why over time the copper turns green and becomes bloomed. This is easy to explain: that film is called patina.



Most Popular

Corrosion

Oxidation of metals in the presence of air and moisture.

Cohesive Forces

All the forces of attraction among particles of a liquid.

Band

A series of very closely spaced, nearly continuous molecular orbitals that belong to the crystal as a whole.

Density

Density is the ratio b/w Mass and Volume: D=M/V

Exothermicity

The release of heat by a system as a process occurs.

Kinetic-molecular Theory

A theory, that attempts to explain macroscopic observations on gases in microscopic observations on gases in microscopic observations on gases in microscopic or molecular terms.

Heteronuclear

Consisting of different elements.

Photochemical Oxidants

Photochemically produced oxidizing agents capable of causing damage to plants and animals.

Zone Refining

A method of purifying a bar of metal by passing it through an induction heater, this causes impurties to move along a melted portion. This method applies the fact when a metal crystallizes on cooling, impurities are automatically expelled as they do not form part of the crystal.

Osmotic Pressure

The hydrostatic pressure produced on the surface of a semipermable membrane by osmosis.