Natrium n. : The technical name for sodium.

Example:
What indicator used to conduct a neutralization of sulphuric acid with a aconcentration of Natrium hydroxide?

Taxonomy
Natrium, sodium bicarbonate, baking soda, Products, pharmaceutical, high purity, crystals, Products, Inc, waste remediation, animal nutrition, standard grades, water treatment, industries, application, delivery service, pharmacy, industrial applications, PLASTICS.

Defination from the web:
... Welcome to Natrium Products. Natrium® is a specialty manufacturer of sodium bicarbonate for the North American market. ...