Molten sample preparation method of molybdenum, manganese, vanadium or chromium iron alloy sample for X-ray fluorescence spectroscopy

Molten sample preparation method of molybdenum, manganese, vanadium or chromium iron alloy sample for X-ray fluorescence spectroscopy

The invention discloses a simple, quick and more reliable molten sample preparation method capable of avoiding corroding a platinum-gold crucible. The method comprises the following steps: a. weighing right amounts of lithium tetraborate, lithium carbonate, oxidizer and sample material, and evenly m...

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Hauptverfasser: JIANG HOUYING, LIU JINGCHENG, YANG XINNENG, LI XIAOQING
Format: Patent
Sprache:chi ; eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator JIANG HOUYING
LIU JINGCHENG
YANG XINNENG
LI XIAOQING
description The invention discloses a simple, quick and more reliable molten sample preparation method capable of avoiding corroding a platinum-gold crucible. The method comprises the following steps: a. weighing right amounts of lithium tetraborate, lithium carbonate, oxidizer and sample material, and evenly mixing to obtain balls, wherein the sample material is a silicon-iron, silicon-calcium-barium, silicon-manganese, aluminum-iron or titanium-iron alloy sample material; b. putting the balls obtained in the step a into a crucible with graphite powder on the bottom, and carrying out melting preoxidation in a high-temperature furnace; taking out the crucible, and cooling to obtain the preoxidated molten balls; c. weighing a certain amount of fluxing agent, adding the fluxing agent into the platinum gold crucible, and adding releasing agent and molten balls; melting for 12-20 minutes, taking out, shaking up, and removing bubbles; and melting for 12-20 minutes, taking out, shaking up, and cooling by standing to obtain the
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Molten sample preparation method of molybdenum, manganese, vanadium or chromium iron alloy sample for X-ray fluorescence spectroscopy
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