A hydrometer used to find the amount of silver salt in a solution.


Related Terms

NICHOLSON'S HYDROMETER

A modification of Fahrenheit's hydrometer in which the lower end of the instrument carries a scale pan to permit the determination of the relative density of a solid.

LACTOMETER

A hydrometer used to measure the specific gravity of milk. ladder-bucket dredge See bucket-ladder dredge.

HYDROMETER

An instrument for determining either the specific gravity of a liquid or the API gravity.

AMMONIA METER

A hydrometer designed specifically to determine the density of aqueous ammonia solutions.

API SCALE

The American Petroleum Institute hydrometer scale for the measurement of the specific gravity of liquids; used primarily in the American petroleum industry.

BARKOMETER

A hydrometer calibrated to test the strength of tanning liquors used in tanning leather.

BRIX SCALE

A hydrometer scale for sugar solutions indicating the percentage by weight of sugar in the solution at a specified temperature.

COMPOSITE SAMPLER

A hydrometer cylinder equipped with sample cocks at regular intervals along its vertical height; used to take representative (vertical composite) samples of oil from storage tanks.

FAHRENHEIT'S HYDROMETER

A type of hydrometer which carries a pan at its upper end in which weights are placed; the relative density of a liquid is measured by determining the weights necessary to sink the instrument to a fixed mark, first in water and then in the liquid being studied.

HAZE

Fine dust or salt particles in the air, too small to be individually apparent but in sufficient number to reduce horizontal visibility and give the atmosphere a characteristic hazy appearance which casts a bluish or yellowish veil over the landscape, subduing its colors. This is sometimes called a dry haze to distinguish it from damp haze, small water droplets or very hygroscopic particles in the air, smaller and more scattered than light fog.

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