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Tungsten, also known as wolfram, is a chemical element with symbol W and atomic number 74.
T 0036 (OTTO) Tungsten is the only metal from the third transition series that is known to occur in biomolecules, where it is used in a few species of bacteria and archaea.
WGK Germany 3
Certificate Of Analysis
(For eg. B 1615-0108)
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Iron pieces, 10-20 mm, 99.5%
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Tungsten pellets, dia 3*6 mm, 99.9%+
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Boron amorphous, 95%
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