The equivalent mass of barium in bacro4 used as an oxidising agent in acidic medium is
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Naturally occurring barium chromate found in country of Jordan.
Brown crystals found on host rocks were known as hashemite in honor of Hashemite empire of Jordan.
Hashemite crystals range in color starting from light yellowish-brown to darker greenish-brown and are normally less than 1mm.
Those crystals dosen't consists of pure barium chromate but has little sulfur content.
Different crystals contains range of sulfur impurities starting from more pure dark crystals.
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