CN107003416B - Light salt working year evaluation method based on K-40 measurement of concetration - Google Patents
Light salt working year evaluation method based on K-40 measurement of concetration Download PDFInfo
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- CN107003416B CN107003416B CN201580066657.0A CN201580066657A CN107003416B CN 107003416 B CN107003416 B CN 107003416B CN 201580066657 A CN201580066657 A CN 201580066657A CN 107003416 B CN107003416 B CN 107003416B
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
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- G01T1/167—Measuring radioactive content of objects, e.g. contamination
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Abstract
The purpose of the present invention is to provide a kind of light salt working year evaluation method based on K-40 measurement of concetration, the property that insoluble element is lost when placing light salt using long-time with certain ratio, the amount that the kalium-40 (K-40) of remaining is detected by gamma nucleic detector, can more easily estimate the working year of light salt.The present invention constituted thus dissolves brine out as object using light salt or from the light salt, and the concentration by radionuclide analysis-e/or determining as the kalium-40 of radioactive nucleus prime element estimates the working year of the light salt by the kalium-40 concentration of measurement.Herein, when passing through range of the concentration of kalium-40 (K-40) of radionuclide analysis-e/or determining in 130~220Bq/kg, the working year for estimating the light salt is 1~2 year, when the concentration of the kalium-40 of measurement is 130Bq/kg or less, estimate that the working year of the light salt is 3 years or more.
Description
Technical field
The present invention relates to a kind of light salt working year evaluation methods, in more detail, in order to eliminate by the system of light salt
The opacity for making the process of circulation caused by annual and manufacture ground pseudo- adulterium etc., utilizes high-purity gamma Radionuclide analysis instrument to measure
The concentration of kalium-40 (K-40), thus estimate the working year of light salt with ensure light salt currency structure the transparency based on
The light salt working year evaluation method of K-40 measurement of concetration.
Background technique
In general, it is that light salt is converted into food from mineral in March, 2008 that state's inner salt industry, which formally starts development,
Start, after related service hands over to agricultural aquatic food portion by kownledge economy portion, salt industry starts to develop.Therebetween, by salinity
Class is mineral to be managed, and just provides to produce edible light salt used seawater, sea area, beach, salt pan and device in the recent period
The safety management benchmark of tool, material etc. (marine fishery portion salt industry development method, law the 11700th, repair by March 23rd, 2013
It orders).
Also, salt inspection is assisted by state-run aquatic products qualitative control institute (the 15th article of salt industry development method operational command), South Korea's salt industry
(salt industry development method is implemented for meeting (salt industry development method the 35th article the 1st), Mokpo university and chemical fusion Testing & Research Institute, South Korea
Enable the 16th article) it executes.
Meanwhile in order to cultivate to reinforce competitiveness by the promotion of salt quality and to the architecture of salt industry, it is specified that food
With light salt production forbid sea area specify benchmark, light salt certification application benchmark and method, light salt certification authority specify, it is right
The correction order etc. of light salt certification product.
In addition, according to safety management benchmark light salt produce needed for seawater region seawater regulation include: including hydrogen from
The living environment benchmark of sub (pH 6.5~8.5) concentration and Escherichia coli total (1,000 or less/100ml)；Ecological basis seawater
Water quality benchmark；The health protection benchmark of people including the sea area and reservoir setting benchmark distinguished by arsenic, cadmium, lead, mercury.Salt pan facility
Further include about the crystallization directly contacted in edible light salt production process with salt water or light salt flooring material, adopt salt worker
The benchmark of tool, transfer tool, mechanical, for temporarily storing cover etc..
Also, just salt manufacturing, firing-fuse salt, purified salt, processing salt increase the safety management base produced about light salt newly again
Quasi- (marine fishery portion bulletin the 2013-216th), as quality benchmark propose sodium chloride (70% or more), chlorine total amount (40% with
On), moisture (15% or less), sulfate ion (5% or less) concentration limit.Insoluble component is proposed as spatter property benchmark
(0.15%), sandy soil (0.2% or less) and ferrocyanide ion (can not detect, anticaking agent) concentration.Sea area and reservoir are mentioned
The concentration of arsenic (50 μ g/L), lead (50 μ g/L), cadmium (10 μ g/L), mercury (0.5 μ g/L) out.
But it is domestic also since 2013, in order to which the differentiation of import light salt and domestic light salt and currency structure are saturating
The raising of bright property, by recorded on the label that is pasted on domestic light salt sack place of production area, the producer, working year method
Tracing to the source for domestic light salt is managed, but there is a problem of that credibility is low due to pseudo- can alter and replicate.
Existing technical literature
Patent document
1. Korean granted patent the 10-1431709th (is announced) on September 22nd, 2014
2. KR published patent the 2014-0031356th (bulletin on March 12nd, 2014)
Summary of the invention
(1) technical problems to be solved
The present invention is proposed to solve the problems of the prior art, and its purpose is to provide one kind to be based on K-40
The light salt working year evaluation method of measurement of concetration, insoluble element is lost when placing light salt using long-time with certain ratio
Property, detected by gamma nucleic detector remaining kalium-40 (K-40) amount, can more easily estimate light salt
Working year.
Also, the another object of the technology of the present invention is, insoluble element is when using long-time placement light salt centainly to compare
The property that rate is lost detects the amount of the kalium-40 (K-40) of remaining by gamma nucleic detector to estimate the production of light salt
Year, so as to the management of tracing to the source by light salt come management quality.
Meanwhile the another object of the technology of the present invention is, insoluble element is when using long-time placement light salt centainly to compare
The property that rate is lost detects the amount of the kalium-40 (K-40) of remaining by gamma nucleic detector to estimate the production of light salt
Year, so as to ensure the transparency of the process of circulation.
(2) technical solution
The present invention constituted to achieve the above object is as follows.That is, the light salt of the invention based on K-40 measurement of concetration
Working year evaluation method dissolves brine out as object using light salt or from the light salt, is surveyed by radionuclide analyzer
It is set for the concentration of the kalium-40 for radioactive nucleus prime element, the production year of the light salt is estimated by the kalium-40 concentration of measurement
Degree.
In addition, in the foregoing present invention, it is preferable that as the kalium-40 (K- for passing through radionuclide analysis-e/or determining
40) concentration estimates that the working year of the light salt is 1~2 year, when the kalium-40 of measurement in the range of 130~220Bq/kg
Concentration be 130Bq/kg or less when, estimate the light salt working year be 3 years or more.
It is preferred that when passing through the measurement of the concentration of radionuclide analysis-e/or determining kalium-40 in technology of the invention
Between be 5,000~30,000 seconds.
(3) beneficial effect
Technology according to the present invention, the property that insoluble element is lost when placing light salt using long-time with certain ratio,
The amount that the kalium-40 (K-40) of remaining is detected by gamma nucleic detector, can more easily estimate the production of light salt
Year.
Also, the advantages of technology of the invention, is, insoluble element is when placing light salt using long-time with certain ratio
The property of loss detects the amount of the kalium-40 (K-40) of remaining by gamma nucleic detector to estimate the production year of light salt
Degree, so as to the management of tracing to the source by light salt come management quality.
Meanwhile technology according to the present invention, insoluble element is lost when placing light salt using long-time with certain ratio
Property detects the amount of the kalium-40 (K-40) of remaining by gamma nucleic detector to estimate the manufacturing period of light salt, thus
It can ensure the transparency of the process of circulation.
Detailed description of the invention
Fig. 1 is to show the light salt working year evaluation method according to the present invention based on K-40 measurement of concetration, by 1Kg state
After production light salt is put into sharp beaker in novel Mali and is installed to high-purity gamma spectrometer, analyzes 5000 seconds to 30,000 second, select
Selecting the K-40 peak value in 1,460KeV energy band has the time point (10,000 seconds) of appropriate peak value form and obtains radiant numerical value
Chart.
Specific embodiment
The light salt working year evaluation method of the invention based on K-40 measurement of concetration is illustrated referring to the drawings
Preferred embodiment.
Fig. 1 is to show the light salt working year evaluation method according to the present invention based on K-40 measurement of concetration, by 1Kg state
After production light salt is put into sharp beaker in novel Mali and is installed to high-purity gamma spectrometer, analyzes 5000 seconds to 30,000 second, select
Selecting the K-40 peak value in Isosorbide-5-Nitrae 60KeV energy band has the time point (10,000 seconds) of appropriate peak value form and obtains radiant numerical value
Chart.
Firstly, the technology for summarizing the invention for solving problem of the prior art is former before illustrating technology of the invention
Reason.Light salt production stage can be summarized as making the step of evaporation of seawater is to obtain salt crystallization using sunlight.Seawater Quality Safety rule
The cleaning of water quality benchmark, insoluble component and the sandy soil and ferrocyanide ion etc. such as hydrogen ion concentration, Escherichia coli sum is proposed in fixed
Whether property, the heavy metal pollutions benchmark such as arsenic, lead, cadmium, mercury.
In addition, since 2013, it, can with the stickup on sack for the transparency for ensuring domestic light salt currency structure
The method of the label in confirmation place of production area, the producer and working year carries out the management of tracing to the source of domestic light salt, there is problems in that
The method of light salt working year is not able to confirm that in circulating step.
Therefore, as previously mentioned, currently invention addresses the method for not being able to confirm that light salt working year in circulating step,
The constituent of salt is lost the characteristic of a part by brine to distinguish working year in the quasi- production keeping step using salt.
The present invention is surveyed using high-purity radionuclide analyzer (High Purity Germanium Spectrometer)
The concentration for determining the natural radionuclide i.e. kalium-40 (K-40) that light salt must include is estimated by the concentration of the K-40 of measurement
The working year of the light salt.
In other words, of the invention to estimate the method for light salt working year with salt pan or city by measurement K-40 concentration
The light salt that circulates on field or to dissolve brine out from the light salt be object, passes through radionuclide analysis-e/or determining radioactivity
After nucleic element, that is, K-40 concentration, the working year of the light salt is estimated by the K-40 concentration of measurement.
In addition, the working year in order to estimate light salt as the aforementioned, acquires each actual production year in multiple salt pans
Light salt as sample sample and after measuring the radioactive nucleus prime element i.e. concentration of K-40, relevant table is obtained, to make
Surely the management standard of tracing to the source of working year can be distinguished.
As previously mentioned, the light salt that is circulated in the market by management standard stochastic buying of tracing to the source and with light salt or from the day
It is after object measures the radioactive nucleus prime element i.e. concentration of K-40, by the K-40 concentrations control of measurement that day salt, which dissolves brine out,
Management standard table is traced to the source to estimate the light salt or dissolve the working year of brine out from the light salt.
In addition, as the aforementioned according to the working year for management standard estimation light salt of tracing to the source when, when passing through radionuclide
When kalium-40 (K-40) concentration of analysis-e/or determining belongs in the range of 130~220Bq/kg, the working year of the light salt is estimated
Calculate is 1~2 year；When the kalium-40 concentration of measurement belongs to 130Bq/kg or less, the working year of the light salt is estimated as 3 years
More than.
Also, it has been observed that the concentration for the natural radionuclide i.e. kalium-40 (K-40) that must include as measurement light salt
Radionuclide analyzer, the present invention in use HpGe gamma ray nucleic detector (HPGe Gamma
Spectroscopy, the production of U.S. Canberra company, relative efficiency: 30%, corresponding energy band: Isosorbide-5-Nitrae 60KeV) it is measured.
In general, the salt concentration of seawater is 35%, by sodium chloride (27g/kg), magnesium chloride (3.8g/kg), magnesium sulfate
(1.7g/kg), calcium sulfate (1.3g/kg), potassium sulfate (0.9g/kg), calcium carbonate (0.1g/kg), magnesium bromide (0.1g/kg) structure
At the relative ratios between salt are unrelated with salinity, are fixed in any one of world sea area.
In addition, with fixed ratio, there are alkali metal (hydrogen, lithium, sodium, potassium, rubidium, caesium, franciums) always in seawater.Salt Tanaka's moisture
Fallen in rear remaining light salt crystal by solar evaporation, and there are these elements with fixed ratio, when standing for a long time, this
A little constitution elements can be lost with fixed ratio.
As previously mentioned, passing through natural radioactivity nucleic remaining in radionuclide analysis-e/or determining light salt in the present invention
That is the K-40 concentrations control of measurement is traced to the source management standard to estimate the working year of light salt by the concentration of K-40.Here, radiation
Property Radionuclide analysis instrument be sense radiant gamma energy and by sensing gamma energy waveform analysis detection
Radioactive nucleic is to measure the device of radionuclide intensity.
The radioactive decay of radiopotassium (Potassium-40, half-life period: 1,200,000,000 5 thousand ten thousand years)
40K+e-→40Ar+ gamma ray (gamma energy: 1.46MeV)
For technology of the invention, have purchased in the salt pan in the island the Xin Anjunzeng face for representing the domestic light salt place of production for giving birth to
The concentrated seawater for producing salt and each working year annual May are to the salt produced between August.The 1Kg light salt of purchase is put into Mali
Interior benefit beaker, utilizes HpGe gamma ray nucleic detector (HPGe Gamma Spectroscopy, U.S. Canberra company
Production, relative efficiency: 30%, corresponding energy band: Isosorbide-5-Nitrae 60KeV) measurement K-40 10,000 second.The radiant numerical value chart obtained is such as
Fig. 1.
[embodiment]
Select May to the salt water produced between August in the salt pan in the island the Xin Anjunzeng face for representing the domestic light salt place of production and
Light salt, using salt water as comparison other measures the radioactive nucleus prime element i.e. concentration of K-40 in the light salt of each working year and obtains
Relevant table out, and propose to distinguish the management standard of tracing to the source of working year again.
[table 1]
By proposing the management standard of tracing to the source such as aforementioned table 1, even if the light salt to circulate in stochastic buying market, with random
The light salt of purchase dissolves brine out from the light salt for the object measurement radioactive nucleus prime element i.e. concentration of K-40
Estimate the working year of the light salt.
As described above, the amount that technology of the invention detects remaining K-40 by gamma nucleic detector can more be held
Except the working year for estimating light salt of changing places, also it can pass through the pipe of tracing to the source of light salt by the working year of estimation light salt
Reason carrys out management quality.Also, by estimating that the manufacturing period of light salt can ensure the transparency of the process of circulation.
The present invention is not limited to embodiments above-mentioned, can implement a variety of in technical idea allowed band of the invention
Deformation.
Claims (3)
1. a kind of light salt working year evaluation method based on K-40 measurement of concetration, which is characterized in that with light salt or from institute
Stating the brine that light salt dissolves out is object, the kalium-40 by radionuclide analysis-e/or determining as radioactive nucleus prime element
Concentration, the working year of the light salt is estimated by the kalium-40 concentration of measurement.
2. the light salt working year evaluation method according to claim 1 based on K-40 measurement of concetration, which is characterized in that
When range of the concentration of the kalium-40 (K-40) by the radionuclide analysis-e/or determining in 130~220Bq/kg,
The working year for estimating the light salt is 1~2 year, when the concentration of the kalium-40 of measurement is 130Bq/kg or less, described in estimation
The working year of light salt is 3 years or more.
3. the light salt working year evaluation method according to claim 1 or 2 based on K-40 measurement of concetration, feature exist
In,
Minute by the concentration of kalium-40 described in the radionuclide analysis-e/or determining is 5,000~30,000 seconds.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140180465A KR101654711B1 (en) | 2014-12-15 | 2014-12-15 | Salt production year estimation method |
| KR10-2014-0180465 | 2014-12-15 | ||
| PCT/KR2015/008152 WO2016098986A1 (en) | 2014-12-15 | 2015-08-04 | Method for estimating production year of solar salt by k-40 concentration measurement |
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| CN107003416A CN107003416A (en) | 2017-08-01 |
| CN107003416B true CN107003416B (en) | 2019-06-07 |
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| JP (1) | JP6371479B2 (en) |
| KR (1) | KR101654711B1 (en) |
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| WO (1) | WO2016098986A1 (en) |
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| TWI702396B (en) * | 2017-10-31 | 2020-08-21 | 衛生福利部食品藥物管理署 | Method for rapid determination of fruit juice authenticity |
| KR102635737B1 (en) * | 2021-08-06 | 2024-02-14 | 한국원자력연구원 | Calibration method of real-time counting efficiency for monitoring system of radioactive concentration of target radionuclides in seawater |
| KR20230111964A (en) | 2022-01-19 | 2023-07-26 | 한국수력원자력 주식회사 | Estimation method for age evaluation of solar salt using calcium concentration |
| KR20230111963A (en) | 2022-01-19 | 2023-07-26 | 한국수력원자력 주식회사 | Estimation method for age evaluation of solar salt using potassium concentration |
| KR20230111962A (en) | 2022-01-19 | 2023-07-26 | 한국수력원자력 주식회사 | Estimation method for age evaluation of solar salt using magnesium concentration |
| KR20240001542A (en) | 2022-06-27 | 2024-01-03 | 한국수력원자력 주식회사 | Estimation method for age evaluation of solar salt using relative magnesium concentration to sodium |
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2014
- 2014-12-15 KR KR1020140180465A patent/KR101654711B1/en active IP Right Grant
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- 2015-08-04 WO PCT/KR2015/008152 patent/WO2016098986A1/en active Application Filing
- 2015-08-04 CN CN201580066657.0A patent/CN107003416B/en active Active
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Patent Citations (5)
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|---|---|---|---|---|
| JPH10206366A (en) * | 1997-01-27 | 1998-08-07 | Shio Jigiyou Center | Analyzing method and analyzing device for potassium ion content of salt |
| KR20110084732A (en) * | 2010-01-18 | 2011-07-26 | (주)젠트정보기술 | Method for tracing product history of sun-dried salt using rfid tag, and system the same |
| KR20120040400A (en) * | 2010-10-19 | 2012-04-27 | 한국식품연구원 | Methods for analyzing insoluble ingredients in salt using near infrared |
| KR20120041414A (en) * | 2010-10-21 | 2012-05-02 | 전라남도 | Method for quality evaluation of salt |
| KR20140031356A (en) * | 2014-02-14 | 2014-03-12 | 한국식품연구원 | Method for measuring sun-dried salt using analyzing disused ingredients and water in sun-driedsalt |
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| KR101654711B1 (en) | 2016-09-08 |
| KR20160072907A (en) | 2016-06-24 |
| JP6371479B2 (en) | 2018-08-08 |
| JP2018510322A (en) | 2018-04-12 |
| WO2016098986A1 (en) | 2016-06-23 |
| CN107003416A (en) | 2017-08-01 |
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