Method for observing diatom ooze by polarizing microscope and application

A polarizing microscope and diatom mud technology, which is applied in the preparation of test samples, material analysis and sampling by optical means, etc., can solve the problems of uneven quality of diatom mud market, hidden dangers of diatom mud, complicated operation, etc. Fast, improved size uniformity, simple process effect

Inactive Publication Date: 2019-04-02
NANJING INST OF PROD QUALITY INSPECTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the diatom mud market is mixed with good and bad, and the competition is very fierce, mainly manifested as unprofessional, unstable, and irregular
Some merchants even use other materials to counterfeit diatom mud, which has brought potential hidden dangers to the

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0032] Example 1

[0033] A method for observing diatom mud with polarized light microscope includes the following steps:

[0034] 1) Weigh 28g of commercially available diatom mud and place it in a mortar, then add 4ml of alcohol and mix and grind for 4 minutes;

[0035] 2) Take 14g Step 1) Place the evenly ground diatom mud in a beaker, add 140ml of alcohol, and place the beaker on a magnetic stirrer for 8 minutes;

[0036] 3) Use a pipette to suck 4 drops of the mixture prepared in step 2) on a glass slide, then place the cover glass on the glass slide, and observe through a polarizing microscope.

[0037] Among them, in step 3), the observation method with a polarizing microscope is as follows:

[0038] 31) Place a glass slide covered with a cover glass on the stage, select a 40x objective lens, insert a polarizer to adjust the light, observe through the eyepiece, turn the animal table to lift the coarse motion screw;

[0039] 32) After finding the morphology of the diatom mud, exchan...

Example Embodiment

[0040] Example 2

[0041] A method for observing diatom mud with polarized light microscope includes the following steps:

[0042] 1) Weigh 32g of commercially available diatom mud and place it in a mortar, then add 6ml of alcohol to mix and grind for 6 minutes;

[0043] 2) Take 16g Step 1) Place the evenly ground diatom mud in a beaker, add 160ml of alcohol, and place the beaker on a magnetic stirrer and stir for 12 minutes;

[0044] 3) Use a pipette to suck 6 drops of the mixture prepared in step 2) on a glass slide, then place the cover glass on the glass slide, and observe through a polarizing microscope.

[0045] Among them, in step 3), the observation method with a polarizing microscope is as follows:

[0046] 31) Place a glass slide covered with a cover glass on the stage, select a 40x objective lens, insert a polarizer to adjust the light, observe through the eyepiece, turn the animal table to lift the coarse motion screw;

[0047] 32) After finding the morphology of the diatom mu...

Example Embodiment

[0048] Example 3

[0049] A method for observing diatom mud with polarized light microscope includes the following steps:

[0050] 1) Weigh 30g of commercially available diatom mud and place it in a mortar, then add 5ml of alcohol and mix and grind for 5 minutes;

[0051] 2) Take 15g Step 1) Place the evenly ground diatom mud in a beaker, add 150ml of alcohol, place the beaker on a magnetic stirrer and stir for 10 minutes;

[0052] 3) Use a pipette to suck 5 drops of the mixture prepared in step 2) on a glass slide, then place the cover glass on the glass slide, and observe through a polarizing microscope.

[0053] Among them, in step 3), the observation method with a polarizing microscope is as follows:

[0054] 31) Place a glass slide covered with a cover glass on the stage, select a 40x objective lens, insert a polarizer to adjust the light, observe through the eyepiece, turn the animal table to lift the coarse motion screw;

[0055] 32) After finding the morphology of the diatom mud, ...

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Abstract

The invention relates to the technical field of detection of decorative building materials, and more particularly to a method for observing diatom ooze by a polarizing microscope. The method comprisesthe following steps: 1) weighing 28 g to 32 g of commercially available diatom ooze and placing the diatom ooze into a mortar, and adding 4 ml to 6 ml of alcohol to mix and grind for 4 to 6 minutes;2) taking 14 g to 16 g of evenly ground diatom ooze in step 1) into a beaker, adding 140 ml to 160 ml of alcohol, and placing the beaker on a magnetic stirrer for stirring for 8 to 12 minutes; and 3)sucking, with a straw, 4 to 6 drops of the mixed liquid obtained in step 2) onto a slide, then covering the slide with a cover glass, and then observing the diatom ooze by the polarizing microscope. The method effectively improves the diatom ooze observing efficiency after pre-mixing treatment; and the method is simple in process, has quickness in detection and has high economic benefit.

Description

technical field [0001] The invention relates to the technical field of detection of building decoration and decoration materials, in particular to a method and application for observing diatom mud with a polarizing microscope. Background technique [0002] Diatom mud is a new functional interior wall decoration environmental protection material emerging in my country in recent years. It has many functions such as adjusting humidity, purifying air, fire retardant, sound absorption and noise reduction, thermal insulation, eye protection, wall self-cleaning, etc. . Diatom mud not only has multiple functions, but also can be made into textures of various colors, with rich shapes and complete styles. Therefore, diatom mud has developed rapidly after being introduced to China in just a few years, and has been favored and recognized by customers. [0003] Diatomaceous earth is derived from diatom minerals formed by marine algae plants over hundreds of millions of years. Its main co...

Claims

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Application Information

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IPC IPC(8): G01N21/84G01N1/38G01N1/28
CPCG01N1/286G01N1/38G01N21/84G01N21/8422G01N2001/2866G01N2001/386G01N2021/8427
Inventor 梁峙袁慧雯赵颖峰张玉洁杜海慧薛涛
Owner NANJING INST OF PROD QUALITY INSPECTION
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