Convert grain to Deuteron mass
Please provide values below to convert grain [gr] to Deuteron mass [m_d], or Convert Deuteron mass to grain.
How to Convert Grain to Deuteron Mass
1 gr = 1.93800767113688e+22 m_d
Example: convert 15 gr to m_d:
15 gr = 15 × 1.93800767113688e+22 m_d = 2.90701150670533e+23 m_d
Grain to Deuteron Mass Conversion Table
| grain | Deuteron mass |
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Grain
A grain is a unit of mass traditionally used to measure small quantities, primarily in the context of precious metals, pharmaceuticals, and firearms.
History/Origin
The grain dates back to ancient times and was originally based on the weight of a single seed of a cereal grain, such as barley. It has been used since the Middle Ages and was standardized in the apothecaries' system.
Current Use
Today, the grain is mainly used in the measurement of bullets, gunpowder, and precious metals, and is recognized as a unit of mass in the apothecaries' system, although it has largely been replaced by grams in most contexts.
Deuteron Mass
The deuteron mass (m_d) is the mass of a deuteron, which is the nucleus of deuterium consisting of one proton and one neutron, approximately 3.3436 × 10^-27 kilograms.
History/Origin
The deuteron mass has been determined through nuclear physics experiments involving mass spectrometry and nuclear reactions, with precise measurements becoming available in the 20th century as experimental techniques advanced.
Current Use
The deuteron mass is used in nuclear physics, astrophysics, and related fields to calculate nuclear reactions, binding energies, and in the calibration of mass spectrometers involving deuterium nuclei.