CN108196033A - A kind of detection method of heavy metal in soil - Google Patents
A kind of detection method of heavy metal in soil Download PDFInfo
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- CN108196033A CN108196033A CN201711404978.4A CN201711404978A CN108196033A CN 108196033 A CN108196033 A CN 108196033A CN 201711404978 A CN201711404978 A CN 201711404978A CN 108196033 A CN108196033 A CN 108196033A
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- soil
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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
- G01N33/24—Earth materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
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- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The present invention relates to heavy metal-polluted soil detection technique field, especially a kind of detection method of heavy metal in soil.A kind of detection method of heavy metal in soil, includes the following steps：Step 1：Sample pretreatment：Step 2：Solution makes；Step 3：In the soil injection to the solution of step 2 that step 1 is handled, and again under conditions of 20 25 DEG C of temperature, using 30 45min of ultrasonic extraction；Step 4：Step 3 treated solution is subjected to centrifugal treating；Step 5：Divide turbid solution obtained extraction 5ml to injecting tube after sample mark, and 10ml distilled water is injected in each test tube；Step 6：Sampling is analyzed to obtain result after standing 2 3h.The property that the detection method of this heavy metal in soil is capable of the quick heavy metal to containing in soil is detected inquiry, meets the needs of detection.
Description
Technical field
The present invention relates to heavy metal-polluted soil detection technique field, especially a kind of detection method of heavy metal in soil.
Background technology
Heavy metal original meaning refers to metal (in general density be more than 4.5 gram per cubic centimeter metals) of the proportion more than 5,
Including gold, silver, copper, iron, lead etc., heavy metal is accumulated in human body to be reached a certain level, and can cause slow poisoning, but current
Expansion and large-scale industrial development of most of heavy metal with city, can deposit in the soil, therefore heavy metal in soil
The detection of content, which becomes, is related to the major issue that environmental protection, sustainable development and Living consumption improve, currently without
The detection method of good Kazakhstan.
Invention content
Insufficient existing for existing heavy metal detection method in order to overcome, the present invention provides a kind of heavy metal in soil
Detection method.
The technical solution adopted by the present invention to solve the technical problems is：A kind of detection method of heavy metal in soil, packet
Include following steps：
Step 1：Sample pretreatment：
Fetch earth earth 10-20g, and after air-drying, placement is handled on the vibrating with 50-100 vibration frequency per minute；
Step 2：Solution makes；
The ammonium hydroxide of 10-15ml is injected into 50-60ml distilled water, it is spare after stirring；
Step 3：By the soil of step 1 processing1It is injected into the solution of step 2, and the item of 20-25 DEG C of temperature again
Under part, using ultrasonic extraction 30-45min；
Step 4：Step 3 treated solution is subjected to centrifugal treating；
Step 5：Divide turbid solution obtained extraction 5ml to injecting tube after sample mark, and injected in each test tube
10ml distilled water；
Step 6：Sampling is analyzed to obtain result after standing 2-3h.
The invention has the advantages that the detection method of this heavy metal in soil can be quickly to containing in soil
The property of heavy metal is detected inquiry, meets the needs of detection.
Specific embodiment
A kind of detection method of heavy metal in soil, includes the following steps：
Step 1：Sample pretreatment：
Fetch earth earth 10-20g, and after air-drying, placement is handled on the vibrating with 50-100 vibration frequency per minute；
Step 2：Solution makes；
The ammonium hydroxide of 10-15ml is injected into 50-60ml distilled water, it is spare after stirring；
Step 3：In the soil injection to the solution of step 2 that step 1 is handled, and the condition of 20-25 DEG C of temperature again
Under, using ultrasonic extraction 30-45min；
Step 4：Step 3 treated solution is subjected to centrifugal treating；
Step 5：Divide turbid solution obtained extraction 5ml to injecting tube after sample mark, and injected in each test tube
10ml distilled water；
Step 6：Sampling is analyzed to obtain result after standing 2-3h.
The embodiment of the present invention one：
A kind of detection side of heavy metal in soil2Method includes the following steps：
Step 1：Sample pretreatment：
Fetch earth earth 20g, and after air-drying, placement is handled on the vibrating with 100 vibration frequencies per minute；
Step 2：Solution makes；
The ammonium hydroxide of 15ml is injected into 60ml distilled water, it is spare after stirring；
Step 3：In the soil injection to the solution of step 2 that step 1 is handled, and again under conditions of 25 DEG C of temperature,
Using ultrasonic extraction 45min；
Step 4：Step 3 treated solution is subjected to centrifugal treating；
Step 5：Divide turbid solution obtained extraction 5ml to injecting tube after sample mark, and injected in each test tube
10ml distilled water；
Step 6：Sampling is analyzed to obtain result after standing 3h.
The embodiment of the present invention two：
A kind of detection method of heavy metal in soil, includes the following steps：
Step 1：Sample pretreatment：
Fetch earth earth 10g, and after air-drying, placement is handled on the vibrating with 50 vibration frequencies per minute；
Step 2：Solution makes；
The ammonium hydroxide of 10ml is injected into 50ml distilled water, it is spare after stirring；
Step 3：In the soil injection to the solution of step 2 that step 1 is handled, and again under conditions of 20 DEG C of temperature,
Using ultrasonic extraction 30min；
Step 4：Step 3 treated solution is subjected to centrifugal treating；
Step 5：Turbid solution obtained is extracted35ml divides injecting tube after sample mark, and is noted in each test tube
Enter 10ml distilled water；
Step 6：Sampling is analyzed to obtain result after standing 2h.
The embodiment of the present invention three：
A kind of detection method of heavy metal in soil, includes the following steps：
Step 1：Sample pretreatment：
Fetch earth earth 15g, and after air-drying, placement is handled on the vibrating with 75 vibration frequencies per minute；
Step 2：Solution makes；
The ammonium hydroxide of 12ml is injected into 55ml distilled water, it is spare after stirring；
Step 3：In the soil injection to the solution of step 2 that step 1 is handled, and again under conditions of 22 DEG C of temperature,
Using ultrasonic extraction 37min；
Step 4：Step 3 treated solution is subjected to centrifugal treating；
Step 5：Divide turbid solution obtained extraction 5ml to injecting tube after sample mark, and injected in each test tube
10ml distilled water；
Step 6：Sampling is analyzed to obtain result after standing 2.5h.
Described above to be merely exemplary for the purpose of the present invention, and not restrictive, those of ordinary skill in the art understand,
In the case where not departing from spirit and scope as defined in the appended claims, many modifications, variation or equivalent can be made, but all
It will fall within the scope of protection of the present invention.
Claims (1)
1. a kind of detection method of heavy metal in soil, it is characterized in that, include the following steps：
Step 1：Sample pretreatment：
Fetch earth earth 10-20g, and after air-drying, placement is handled on the vibrating with 50-100 vibration frequency per minute；
Step 2：Solution makes；
The ammonium hydroxide of 10-15ml is injected into 50-60ml distilled water, it is spare after stirring；
Step 3：In the soil injection to the solution of step 2 that step 1 is handled, and again under conditions of 20-25 DEG C of temperature,
Using ultrasonic extraction 30-45min；
Step 4：Step 3 treated solution is subjected to centrifugal treating；
Step 5：Divide turbid solution obtained extraction 5ml to injecting tube after sample mark, and 10ml is injected in each test tube
Distilled water；
Step 6：Sampling is analyzed to obtain result after standing 2-3h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711404978.4A CN108196033A (en) | 2017-12-22 | 2017-12-22 | A kind of detection method of heavy metal in soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711404978.4A CN108196033A (en) | 2017-12-22 | 2017-12-22 | A kind of detection method of heavy metal in soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108196033A true CN108196033A (en) | 2018-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711404978.4A Pending CN108196033A (en) | 2017-12-22 | 2017-12-22 | A kind of detection method of heavy metal in soil |
Country Status (1)
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| CN (1) | CN108196033A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261336A (en) * | 2019-07-02 | 2019-09-20 | 江苏天宇检测技术有限公司 | A kind of method of heavy metal pollution in detection paddy soil |
| CN111707806A (en) * | 2020-06-15 | 2020-09-25 | 湖南省林业科学院 | Wetland ecological risk evaluation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004245579A (en) * | 2002-12-19 | 2004-09-02 | Mitsubishi Materials Corp | Method for eluting heavy metal contained in soil |
| CN104607452A (en) * | 2015-01-21 | 2015-05-13 | 浙江农林大学 | Method for ultrasonically repairing heavy metal contaminated soil |
| CN104785517A (en) * | 2015-04-03 | 2015-07-22 | 北京师范大学 | Extracting agent for heavy metal element available cadmium in soil as well as preparation method and application of extracting agent |
| CN105784864A (en) * | 2016-03-10 | 2016-07-20 | 山东五洲检测有限公司 | Detection method of heavy metal in soil |
-
2017
- 2017-12-22 CN CN201711404978.4A patent/CN108196033A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004245579A (en) * | 2002-12-19 | 2004-09-02 | Mitsubishi Materials Corp | Method for eluting heavy metal contained in soil |
| CN104607452A (en) * | 2015-01-21 | 2015-05-13 | 浙江农林大学 | Method for ultrasonically repairing heavy metal contaminated soil |
| CN104785517A (en) * | 2015-04-03 | 2015-07-22 | 北京师范大学 | Extracting agent for heavy metal element available cadmium in soil as well as preparation method and application of extracting agent |
| CN105784864A (en) * | 2016-03-10 | 2016-07-20 | 山东五洲检测有限公司 | Detection method of heavy metal in soil |
Non-Patent Citations (2)
| Title |
|---|
| 周朗君等: "食品中重金属元素形态分析前处理与检测研究进展", 《食品安全质量检测学报》 * |
| 顾佳丽等: "超声波提取-原子吸收光谱法测定油区土壤中重金属的含量", 《化学研究与应用》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261336A (en) * | 2019-07-02 | 2019-09-20 | 江苏天宇检测技术有限公司 | A kind of method of heavy metal pollution in detection paddy soil |
| CN111707806A (en) * | 2020-06-15 | 2020-09-25 | 湖南省林业科学院 | Wetland ecological risk evaluation method |
| CN111707806B (en) * | 2020-06-15 | 2022-09-20 | 湖南省林业科学院 | Wetland ecological risk evaluation method |
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Application publication date: 20180622 |