dicromato de potasio

Potassium is an important nutrient to help support healthy blood pressure. The Dietary Guidelines for Americans 2005 recommend that people eat more foods high in potassium.

potasio

Agriculture; Rice science

A reactive alkali metal element essential for plant growth and proper development.

potasio

Chemistry; General chemistry

Elemento químico con símbolo K, y número atómico 19. El potasio elemental es un metal alcalino suave, de color blanco-plateado, que se oxida rápidamente con el aire y es muy ...

luz

Photography; Professional photography

visible radiated energy which forms part of the electro-magnetic spectrum in the wavelength range of 4000-7000 Å (400-720 nm).

ablandadores del agua

Photography; Professional photography

are used to eliminate most of the minerals and slats found in hard water.

nuevo realismo

Photography; Professional photography

is an alternative name for New Objectivity.

bisulfito de sodio

Photography; Professional photography

chemical used in fixing baths as an acidifying agent.

mesa de luz

Photography; Professional photography

box of fluorescent tubes balanced for white light and covered with translucent glass or plastic. Used for viewing, registering or correcting film negatives and positives.