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Home > Product > 파티클 > Thermo > Standard
제 품 명 : Validex™, Count Standard, Polystyrene
제 조 사 : Thermo
제품코드 : CRS05
관련자료: Pharm-Trol Validex Count-Cal Ezy-Cal.pdf (785,056 KB)
 
   
상세설명
 
Validex™ Count Precision Size Standards

Thermo Scientific Validex Count Precision Size Standards contain NIST traceable polymer particles packaged in ultrapure water at concentrations ideal for use in validating the performance of liquid particle counters.
Particle counting in the drinking water industry has rapidly become an indispensable technology for optimizing water quality. The majority of particle counters used in the drinking water industry operate on the principle of single particle light obscuration. Thermo Scientific Validex Count Precision Size Standards are excellent for instrument calibration and verification in the drinking water industry and for low level liquid particle counting and calibration.
 
  • Composition of suspension has been optimized to promote dispersion of particles
  • Each bottle contains 500 mL of suspension at a nominal concentration of 1000 particles per mL
  • A stir bar is included in the bottle to aid dispersion
  • Certified concentration
  • Ultraclean diluent
  • No dilution required
  • Sample directly from bottle to avoid contamination
  • Larger volume for appropriate testing

Recommended for: Water count reference standard

Specifications 　
Composition Polystyrene
Concentration 1000 particles/mL ± 15%
Particle Density 1.05g/cm3
Index of Refraction 1.59 @ 589nm (25°C)
Additives Contains trace amount of surfactant
Packaged in 500mL
 
Cat. No. Description
CRS05 Dia.: 5µm ± 0.1 µm, s = 0.1 µm, 2% CV
CRS10 Dia.: 10µm ± 0.1 µm, s = 0.2 µm, 2% CV
 

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