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Prior to testing the loss of transmitted light due to scattering particles, calibrate the equipment with turbidity standards for performance confidence. Primary Formazin standards can be used to measure and determine values of all other standards. After establishing stability, the premixed secondary solutions confirm that the meters are operating properly for the best reading clarity. These turbidity standards are routinely used to verify the effectiveness in water treatment processes.

Prior to testing the loss of transmitted light due to scattering particles, calibrate the equipment with turbidity standards for performance confidence. Primary Formazin standards can be used to measure and determine values of all other standards. After establishing stability, the premixed secondary solutions confirm that the meters are operating properly for the best reading clarity. These turbidity standards are routinely used to verify the effectiveness in water treatment processes.


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Description: Traceable to commercially prepared EPA recognized primary standards.
Catalog Number: RCR8805300100C
Supplier: Ricca Chemical


Description: Turbidity Standard, 1000 NTU (Nephelometric Turbidity Units) - Formazin, Ricca Chemical Company
Catalog Number: RC8825-16
Supplier: Ricca Chemical

Description: Traceable to commercially prepared EPA recognized primary standards.
Catalog Number: RCR8819030100C
Supplier: Ricca Chemical


Description: Turbidity Standard, 100 NTU, Polymer Bead Suspension
Catalog Number: RCR8806000-4C
Supplier: Ricca Chemical

Description: Traceable to commercially prepared EPA recognized primary standards.
Catalog Number: RCR8805500500G
Supplier: Ricca Chemical


Description: Traceable to commercially prepared EPA recognized primary standards.
Catalog Number: RCR8818000100C
Supplier: Ricca Chemical


Description: Traceable to commercially prepared EPA recognized primary standards.
Catalog Number: RCR8805600100C
Supplier: Ricca Chemical


Description: Turbidity Standard, Primary Standard Stock Formazin Suspension, 4000 NTU (Nephelometric Turbidity Units), Ricca Chemical Company
Catalog Number: RC8830-32
Supplier: Ricca Chemical

Description: AMCO Clear® is an EPA approved primary standard for calibration of turbidity sensors.
Catalog Number: 71002-448
Supplier: GFS Chemicals

Small Business Enterprise


Description: For calibration of Oakton T-100 turbidity meters
Catalog Number: 76795-394
Supplier: Argos Technologies


Description: Meets EPA linear calibration recommendations
Catalog Number: 66115-052
Supplier: GFS Chemicals

Small Business Enterprise


Catalog Number: 470308-902
Supplier: LaMotte


Description: EPA-approved primary turbidity standards for calibrating turbidimeters and nephelometers
Catalog Number: 66115-156
Supplier: GFS Chemicals

Small Business Enterprise


Description: Stablcal® verification kit containing 0.10 NTU, 0.30 NTU, 0.50 NTU, 1.0 NTU standards (100 ml each), sililcone oil, oiling cloth and instructions is used for verification purpose only.
Catalog Number: 104086-596
Supplier: HACH CO MS


Description: Standards for 2100N and 2100N Is
Catalog Number: 104086-558
Supplier: HACH CO MS


Description: Stablcal Stabilised Formazin Turbidity Standards are true formazin dilutions developed for use in any turbidimeter.
Catalog Number: 104088-266
Supplier: HACH CO MS


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