CN200965527Y - Special equipment for testing the organic matter in soil - Google Patents
Special equipment for testing the organic matter in soil Download PDFInfo
- Publication number
- CN200965527Y CN200965527Y CN 200620159541 CN200620159541U CN200965527Y CN 200965527 Y CN200965527 Y CN 200965527Y CN 200620159541 CN200620159541 CN 200620159541 CN 200620159541 U CN200620159541 U CN 200620159541U CN 200965527 Y CN200965527 Y CN 200965527Y
- Authority
- CN
- China
- Prior art keywords
- testing
- oil bath
- test tube
- frame
- organic matter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model discloses a testing facility, in particular discloses a specialized equipment for testing the soil organic matter. The specialized equipment for testing the soil organic matter includes a thermostatic oil bath pan and a disinfection bracket, which is characterized in that the outside surface of the disinfection bracket is matched with an inner pot body of the thermostatic oil bath pan; the disinfection bracket is divided into an upper level plate and a lower level plate, the edge of the upper level plate is fixed with a handle; the upper level plate is penetrated with a uniformly distributed through hole which matches with a test tube, the surface of the lower level plate is provided with a receiving hole which matches with the bottom of the test tube. The adoption of the disinfection bracket and the testing method which matches the disinfection bracket to measure the soil organic matter is obviously superior to other conventional analytical methods. The utility model has the advantages of safety, accuracy, quickness and utility.
Description
(1) technical field under
The utility model relates to a kind of assay device, particularly a kind of specialized equipment of chemically examining the soil organism.
(2) background technology
In soil testing, organic mensuration is a bigger mensuration project of difficulty maximum, the slowest, the parallel error of speed.The soil organism is measured and is generally adopted potassium bichromate titrimetric method-outer heating at present.Key instrument is oil bath pan (generally replacing with aluminum pot), wire mesh cage, electric furnace.Mainly have following problem in actual test process: 1, speed is slower, because wire mesh cage can be put tens test tubes at every turn, can only do small amount of sample for every batch, is difficult to reach mass.2, parallel error is big, poor reproducibility.3, owing to heat with electric furnace, oily temperature is difficult to control, and non-uniform temperature, and the easy breaking out of fire of naked light is arranged.
The soil organism be national fertilization compositions based on earth measurement project demand must survey project, require 4000 of first batch of chemical examinations, add soil samples such as test, demonstration, fertility monitoring point, amount to sample for test and reach 4200.So big workload, according to traditional assay method, it is impossible finishing at short notice.How under the prerequisite of ensuring the quality of products, further improving chemical examination speed, find the organic breach of chemical examination in batches, is the important topic of pendulum in face of we laboratory personnel.
(3) summary of the invention
The utility model is in order to remedy the deficiencies in the prior art, provide a kind of safe, chemically examine the specialized equipment of the soil organism accurately and rapidly.
The utility model is achieved by the following technical solution:
A kind of specialized equipment of chemically examining the soil organism comprises the thermostatical oil bath, disappears and boil frame, and its special character is: the inner pan body of described the disappear outside surface that boils frame and thermostatical oil bath is suitable; Disappear and boil frame and be two-ply up and down, the top plate edge is fixed with handle; Top plate is penetrated with through hole equally distributed, that match with test tube, lower plywood surface have the receiving hole that matches with the test tube bottom.
The specialized equipment of the chemical examination soil organism of the present utility model, described through hole, receiving hole are respectively 96, horizontal 16, form a matrix for vertical 6.
The applicant has developed once to disappear and has boiled 96 times disappear and boil frame, and has found out the simple, fast method of testing that a cover adapts with it.Utilize this method only just to finish the chemical examination task of 4200 soil organism with more than 20 days time.
Adopt this method of testing of boiling frame and matching of disappearing to measure the soil organism, obviously be better than other conventional method of analysis (bath oiling that boils etc. disappears as the sand bath method, with wire mesh cage), mainly show:
1. safety: easily scald when putting, getting the hard test tube with the sand bath method, boil and disappear with wire mesh cage, usefulness be naked light, too high and be difficult to control, easily breaking out of fire because of the oil temperature.Disappear with this and to boil frame and oil bath pan then above-mentioned situation can not occur.
2. accurate: disappear with this and to boil frame and once can handle 96 samples, with batch sample or parallel can being under the same environment temperature, improved the degree of accuracy of sample determination.By standard substance being detected relatively the accuracy height.And with bath oiling or sand bath method that wire mesh cage disappears and boils, can only make tens samples at every turn, except two blank, reference, can only make a spot of sample for every batch, and oily temperature be difficult to control, so the degree of accuracy of measuring sample is low, equally also reduced accuracy.
3. quick: as,, to have improved test speed in conjunction with full-automatic zeroing buret filling reagent and titration because each batch can be handled 96 samples.3 skilled laboratory personnel can do 3 batches in one day, promptly can chemically examine 288 of soil samples every day, made organic chemical examination reach mass, rapid, can improve more than 5 times than other two kinds of method chemical examination speed.
4. practical: this disappears to boil and sets up meter simply, rationally, and general laboratory at county level can both be equipped with, and the laboratory personnel can both skillfully operate, and has bigger practicality.
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing is that the utility model disappears and boils the structural representation of frame.
Among the figure, 1 top plate, 2 lower plywoods, 3 handles, 4 through holes, 5 receiving holes.
(5) embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises the thermostatical oil bath, disappears and boil frame, and the inner pan body of the disappear outside surface that boils frame and thermostatical oil bath is suitable; Disappear and boil frame and be two- ply 1,2 up and down, top plate 1 edge is fixed with handle 3; Top plate 1 is penetrated with through hole 4 equally distributed, that match with test tube (diameter 2.6mm), lower plywood 2 surfaces have the receiving hole 5 (diameter 2.0mm) that matches with the test tube bottom; Through hole 4, receiving hole 5 are respectively 96, horizontal 16, form a matrix for vertical 6.The thermostatical oil bath is the HH-Y8 type thermostatical oil bath that Jintan City, Jiangsu positive group Instr Ltd. produces, and according to its specification, this disappears and boils the long 55cm of frame, wide 25cm, high 9.5cm, and is supporting with oil bath pan.Disappear and boil in the frame totally 96 holes, every hole can put a test tube (25 * 200mm), promptly can put 96 test tubes at every turn.Adopt this to disappear and boil the frame mensuration soil organism, overcome above-mentioned shortcoming, improved chemical examination speed, make organic chemical examination really reach mass, rapid.
Using method and points for attention:
(A) using method:
1, takes by weighing soil sample: correctly take by weighing by 0.25mm aperture sieve air-dried sample 0.05-0.6g (be accurate to 0.0001g, sample weighting amount is decided according to organic scope).
2, sample is handled: with soil sample put into the hard test tube (25 * 200mm), accurately add 0.4mol/L potassium dichromate one sulfuric acid solution of 10.00ml then from automatic zero burette, shake up, and insert the curved neck funnel of a little glass at each test tube mouth.
3, disappear and boil: test tube is inserted to disappear one by one boil in the frame, to disappear again and boil frame and sink in the thermostatical oil bath (HH-Y8) that is heated to 190 ℃, make the liquid level in the test tube be lower than pasta, require to put into the back oil bath temperature and drop to 170-180 ℃, set oil bath temperature this moment is about 175 ℃.Pick up counting when seething with excitement, make temperature maintenance, will disappear behind 5 ± 0.5min and boil frame and from oil bath pan, propose at 170-180 ℃ Deng the body lotion in the test tube.For making the liquid temperature even, and prevent the violent boiling of solution, putting into disappears boil frame after, can mention gently to disappear every 1-2min and boil frame and rock several times.
4, shift: cooling for a moment, wipe the outer fluid of test, invisible spectro disappearing boiled liquid and the soil residue is nondestructively transferred in the 250ml triangular flask, usefulness distilled water flushing test tube and little funnel, washing lotion is all incorporated in the triangular flask, makes the cumulative volume of solution in the triangular flask be controlled at 50-60ml.
5, titration: adding 3 Phen indicator, use the automatic zero burette titration, is terminal point with 0.2mol/L ferrous sulphate standard solution titration to brownish red, and the variable color process of solution is orange one bluish-green one reddish brown.
(B) points for attention
1, filling glycerine in the oil bath pan adds to apart from coboundary 5cm; In use, before heating every day, in time replenish according to its waste.
When 2, adding potassium dichromate one sulfuric acid solution, the adding speed and the time of each sample room, the unanimity of should trying one's best is to reduce operate miss.
When 3, beginning to heat, the CO2 bubble of generation is not real boiling, only just can start the clock when real boiling.
4,, and prevent that solution from acutely seething with excitement for making the liquid temperature even, putting into disappears boil frame after, can mention gently to disappear every 1-2min and boil frame and rock several times.
5, when handling the sample negligible amounts when (being less than 96), should supply 96, available potassium bichromate solution or higher boiling solution replace, and boil frame to guarantee to disappear and put into back liquid temperature and drop to 170-180 ℃.
6,, should note adding a cover (this should take all factors into consideration according to the ventilation effect of fuming cupboard) when boiling disappearing for the glycerine that avoids evaporating splashes in curved footpath funnel and the test tube.
Claims (2)
1. a specialized equipment of chemically examining the soil organism comprises the thermostatical oil bath, disappears and boil frame, it is characterized in that: the inner pan body of described the disappear outside surface that boils frame and thermostatical oil bath is suitable; Disappear and boil frame and be two-ply (1,2) up and down, top plate (1) edge is fixed with handle (3); Top plate (1) is penetrated with through hole equally distributed, that match with test tube (4), and lower plywood (2) surface has the receiving hole (5) that matches with the test tube bottom.
2. the specialized equipment of the chemical examination soil organism according to claim 1 is characterized in that: described through hole (4), receiving hole (5) are respectively 96, horizontal 16, form a matrix for vertical 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620159541 CN200965527Y (en) | 2006-09-04 | 2006-11-16 | Special equipment for testing the organic matter in soil |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620088584 | 2006-09-04 | ||
| CN200620088584.3 | 2006-09-04 | ||
| CN 200620159541 CN200965527Y (en) | 2006-09-04 | 2006-11-16 | Special equipment for testing the organic matter in soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200965527Y true CN200965527Y (en) | 2007-10-24 |
Family
ID=38869543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620159541 Expired - Fee Related CN200965527Y (en) | 2006-09-04 | 2006-11-16 | Special equipment for testing the organic matter in soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200965527Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064130A (en) * | 2017-05-04 | 2017-08-18 | 浙江华正检测有限公司 | A kind of assay method of the soil organism |
| CN108107151A (en) * | 2017-12-11 | 2018-06-01 | 李晓蕙 | A kind of method and apparatus for execution chemical examination |
-
2006
- 2006-11-16 CN CN 200620159541 patent/CN200965527Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064130A (en) * | 2017-05-04 | 2017-08-18 | 浙江华正检测有限公司 | A kind of assay method of the soil organism |
| CN108107151A (en) * | 2017-12-11 | 2018-06-01 | 李晓蕙 | A kind of method and apparatus for execution chemical examination |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101694471A (en) | Drinking water COD online automatic detection method and detection instrument | |
| CN106442515A (en) | Simple and low-cost silver ion visual quantitative detection method | |
| CN106290328B (en) | Slide or test paper array and preparation and application for liquid calcium ion detection | |
| CN102095724B (en) | Method for determining copper content in water by biquinolyl spectrophotometry | |
| CN102323254A (en) | A kind of method of testing of free uranium content | |
| CN200965527Y (en) | Special equipment for testing the organic matter in soil | |
| CN102928501A (en) | Measuring method of solid-solution boron content in steel | |
| CN107515272A (en) | A kind of ammonia nitrogen on-line computing model based on distillation titration | |
| CN109540875A (en) | A kind of detection method of cold rolling tin plate surface chromium content | |
| CN104597013B (en) | A kind of fluorescent spectrometry surveys the method that cholesterol level differentiates gutter oil | |
| CN104215738A (en) | Method for simultaneously determining Zr, Cu and Ni contents in Zr-Cu-Ni-Al amorphous alloy | |
| CN104215479B (en) | A kind of biological test method of quick detection Chinese medicine comprehensive toxicity | |
| JP2011523058A5 (en) | ||
| CN105699409B (en) | The method that x-ray fluorescence glass flux sheet method measures barium sulfate content in barite | |
| KR20120131768A (en) | Method for analysing arsenic of water by concomitant metal analyzer | |
| CN109490398B (en) | Double-electrolysis experimental detection device and detection method for enamel steel scale explosion performance | |
| CN113607875A (en) | Three primary colour detecting method acid-base neutralization titrator | |
| CN105954250A (en) | Novel method for measuring arsenic in urine | |
| CN108007919A (en) | A kind of preparation method of SERS substrates available for trace detection pesticide | |
| CN201885970U (en) | Jet extraction-infrared phenol tester | |
| CN107402250A (en) | A kind of multi-parameter water quality heavy metal automatic on-line detector and detection method | |
| CN104165851A (en) | Method for detecting content of aluminum ions in water for injection | |
| CN208537218U (en) | A kind of portable quick detachable soil testing assemblies | |
| CN108107151A (en) | A kind of method and apparatus for execution chemical examination | |
| CN114428051A (en) | Dew point corrosion assessment device with controllable condensation temperature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |