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Zetapotential Analyzer Model 502
- Simple Solution to Zetapotential Measurements in Colloids-


 

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  • 130nm ÀÔÀÚ È­¸é- Á¦Å¸ÀüÀ§ ÃøÁ¤½Ã ÆÄƼŬÀ» Á÷Á¢ È®ÀÎÇÒ¼ö ÀÖ½À´Ï´Ù.

 

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  • Á¤È®ÇÑ Stationay layer È®ÀÎ
    - Electrosmosis Á¦°ÅÇÑ ÃÖÀûÈ­µÈ »óÅÂÀÇ »ùÇÃÃøÁ¤ÀÌ °¡´É
 

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1.  Á¦Å¸ÀüÀ§ÃøÁ¤½Ã ÃøÁ¤±âº»¿ø¸®¿¡ Ãæ½ÇÇÑ MicroElectrophoresis ¹æ½ÄÀ¸·Î ±âÁ¸ÀÇ LightElectroPhoresis ¹æ½ÄÀÌ °¡Áö°í ÀÖ´Â Black box°¡ ¾ø½À´Ï´Ù.

 

2.  »ùÇø¶´Ù Stationary layer°¡ º¯°æµÇ¹Ç·Î ±âÁ¸Á¦Ç°ÀÇ °íÁ¤µÈ Stationary layer¿¡¼­ ÃøÁ¤½Ã Electrosmosis¿µÇ⠹޴°ÍÀ» º¸¿ÏÇÏ¿´À¸¸ç ¶ÇÇÑ stationary layer°¡ º¯°æµÈ Á¡À» ÀåÂøµÈ CCD Camera·Î Á÷Á¢ ªO¾Æ ÃÖÀûÈ­µÈ ÁöÁ¡¿¡¼­ Charge¸¦ ÁÖ¾î È®ÀÎÇϸç ÃøÁ¤ÇϹǷΠ°á°úÀÇ Á¤È®µµ¸¦ ³ô¿´½À´Ï´Ù.

 

3.  Á¦Å¸ÀüÀ§ÃøÁ¤(½ºÅé¿ÍÄ¡ Å×Å©´Ð)½Ã ParticleÀ» CCD Ä«¸Þ¶ó°¡ ÀåÂøµÇ¾î Á÷Á¢ È®ÀÎÇÒ¼ö À־ »ùÇúлê(Èñ¼®µµ) ¹× ÆÄƼŬÀÇ Å©±â¸¦ »ó´ëºñ±³·Î ¾Ë¼ö ÀÖÀ¸¸ç °¢°¢ÀÇ ÆÄƼŬÀÇ Á¦Å¸ÀüÀ§°ªÀ» ¾Ë¼ö À־ ´õ¿í Á¦Å¸ÀüÀ§°ªÀ» Á¤È®È÷ È®ÀÎÇÒ¼ö ÀÖ½À´Ï´Ù.

 

4.  °¢°¢ÀÇ Particle º°·Î Ä«¿îÆ®ÇÏ¿© Á¦Å¸ÀüÀ§¸¦ È®½ÇÈ÷ ÃøÁ¤ÇÒ¼ö À־ ÀÛÀº ÆÄƼŬ°ú Å«ÆÄƼŬÀ» ÁöÁ¤ÇÏ¿© Á¦Å¸ÀüÀ§¸¦ ÃøÁ¤ÇÒ¼ö ÀÖ½À´Ï´Ù. µû¶ó¼­ °¢°¢ÀÇ ÆÄƼŬÀ» Ä«¿îÆ®ÇÏ¿© ÆÄƼŬº°·Î Á¦Å¸ÀüÀ§°ªÀ» ºñ±³ºÐ¼®ÇÒ¼ö ÀÖ½À´Ï´Ù.

 

5.  Stational layer¿¡ ÀÖ´Â ÆÄƼŬÀ» CCD Ä«¸Þ¶ó°¡ ÀåÂøµÇ¾î¼­ Á÷Á¢ È®ÀÎÇÒ¼ö ÀÖ½À´Ï´Ù. ±×·¯¹Ç·Î  Stational layer¿¡ ÀÖ´Â ÆÄƼŬ¸¸À» ºÐ¼®ÇÏ¿© ÃøÁ¤ÇϹǷΠŸÁ¦Ç°ÀÌ °¡Áö°íÀÖ´Â Electrosmosis ¹®Á¦ÀÇ ¿µÇâÀ» Á÷Á¢ È®ÀÎÇÒ¼ö ÀÖÀ¸¸ç ¶ÇÇÑ ElectrosmosisÀÇ ¿µÇâÀÌ ¾ø´Â ÃÖÀû»óȲ¿¡¼­ ÃøÁ¤ ÇÒ¼ö ÀÖ½À´Ï´Ù.

 

6.  Á¦Å¸ÀüÀ§ ÃøÁ¤±â ¸ðµ¨ 502ÀÇ ¼öÆòÀ¸·Î ÀåÂøÇϴ ƯÇ㼿Àº ±âÁ¸ÀÇ ¹®Á¦¿´´ø Á÷°¢À¸·Î ÀåÂøÇÏ´Â Á¦Å¸¼¿º¸´Ù Á¦Å¸ÀüÀ§°ªÀÇ Á¤È®µµ¹× ÀçÇö¼ºÀ» ³ô¿´À¸¸ç ElectrosmosisÀÇ ¿µÇâÀ» ÀüÇô ¹ÞÁö ¾ÊÀ»¼ö ÀÖ½À´Ï´Ù. ¶ÇÇÑ Å¸»çÀÇ Á÷°¢À¸·Î ÀåÂøÇÏ´Â ¼¿Àº »ùÇÃÀÌ Sedimentation µÇ¾î ElectrosmosisÀÇ ¿µÇâÀ» ½±°Ô ¹ÞÀ»¼ö ÀÖ½À´Ï´Ù.

 

7.  Rotating Prism Technique(¿É¼Ç)ÀÇ µµÀÔÀ¸·Î Charge¸¦ °É¾úÀ» ¶§ Stationary layer¿¡¼­ÀÇ MobilityÀ» ÃÖÀûÈ­·Î Á¶Á¤ÇÏ¿© ÃøÁ¤ÇÏ´Â Áï½Ã Á¦Å¸ÀüÀ§°ªÀ» ±¸ÇÒ¼ö ÀÖ½À´Ï´Ù.

 

8. ½ÇÇè ¹× ¿¬±¸¿ëÀ¸·Î Á¦Å¸ÀüÀ§ ÃøÁ¤½Ã À¯¿ëÇϸç Àú·ÅÇÑ °¡°ÝÀ¸·Î ±¸ÀÔÇϽǼö ÀÖ½À´Ï´Ù.

 

ÀÚ¸Åǰ : ¾×üÀ¯Àü»ó¼ö ÃøÁ¤±â¸ðµ¨ 871

 

TECHNICAL DATA

Principle : measurement of the transit time of particle by stopwatch
           ¶Ç´Â User adjust rotating prism for stationary image.
Measurement range :  0mV ~ ±100 mV
Particle size range : Typically 40 nm to 50μm  depending on
Refractive index and sedimentation
Sample required : ¾à 8 cc
Optical system :
Light source : 632.8 nm He-Ne laser
Microscope magnification : ×280
TV monitor : CCD monochrome camera and
LCD monitor
Electrophoresis chamber:
cross section : 1×10 mm
construction : pure silica
electrode separation : 4.88 cm
max field strength : 30 V/cm
anode : molybdenum
cathode : palladium
electrode compartments : derlin

Option : Non- Aqueous Cell for low Electric Constant sample

 

 

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