Extraction and purification method for available boron in water sample and testing method of composition of boron isotope

Extraction and purification method for available boron in water sample and testing method of composition of boron isotope

The invention provides an extraction and purification method for available boron in a water sample and a testing method of a composition of a boron isotope. The extraction and purification method comprises the steps: firstly, regulating the pH value of the water sample to 6-7, and placing the water...

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Hauptverfasser: GOU DIANDA, CAO GUANGJIE, XU QINGCAI, SUN AIDE, REN LIYING
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 GOU DIANDA
CAO GUANGJIE
XU QINGCAI
SUN AIDE
REN LIYING
description The invention provides an extraction and purification method for available boron in a water sample and a testing method of a composition of a boron isotope. The extraction and purification method comprises the steps: firstly, regulating the pH value of the water sample to 6-7, and placing the water sample after the adjustment of the pH value into a cap of a centrifugal tube; placing a sodium hydroxide solution at the bottom of the centrifugal tube; heating a neutral water sample in the cap to obtain a sodium borate solution at the bottom of the centrifugal tube; and then, sequentially carryingout boron specific resin adsorption treatment, hydrochloric acid leaching, leacheate evaporation treatment and anionic and cationic mixed resin adsorption treatment on the sodium borate solution to realize the extraction and purification of available boron in the water sample. The boron isotope in a to-be-tested solution of available boron obtained by extraction and purification is tested by using a positive thermal ioni
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Extraction and purification method for available boron in water sample and testing method of composition of boron isotope
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