Method for accurately controlling impurity removal effect in graphite high-temperature purification

The invention belongs to the technical field of graphite purification, and discloses a method for accurately controlling the impurity removal effect in graphite high-temperature purification, which comprises the following steps: weighing a plurality of oxide powder samples according to the types of...

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Hauptverfasser: YE YONGKANG, WANG CHUNXIANG, WANG TAO, JIA CHENCHAO, TANG JINGJING
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creator YE YONGKANG
WANG CHUNXIANG
WANG TAO
JIA CHENCHAO
TANG JINGJING
description The invention belongs to the technical field of graphite purification, and discloses a method for accurately controlling the impurity removal effect in graphite high-temperature purification, which comprises the following steps: weighing a plurality of oxide powder samples according to the types of impurities in graphite, and carrying out burning weight loss; respectively adding different amounts of oxide powder samples after burning weightlessness into corresponding tubular furnace graphite boats; adjusting the heating power and the heat preservation time of the tubular furnace, and carrying out a high-temperature purification test in a nitrogen protective atmosphere; after the test under each control condition is finished, taking out each oxide powder sample in each graphite boat, calculating the residual amount, and recording the molten state; a to-be-purified graphite sample is added into a tubular furnace graphite boat, control conditions are set, a high-temperature purification test is carried out, and
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subjects CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
title Method for accurately controlling impurity removal effect in graphite high-temperature purification
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