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QFT-2 Standard

QFT-2 standard is available from Sigma-Aldrich
Catalog Number 868091

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CDOM Standards

International Humic Substances Society
1991 Upper Buford Circle, Rm 439
St. Paul, MN 55108
USA

Phone: (612) 625-4711
Email: ihss[at]umn.edu

Website: https://ihss.humicsubstances.org/

Chlorophyll a Standards

You can make your own Chlorophyll a standards by purchasing dry chlorophyll a from Sigma-Aldrich.  Information is listed below.

If you purchase Chlorophyll a in lyophilized form from Sigma-Aldrich
    - You need to mix up the initial Chlorophyll a concentration to be around 10 mg/L.
    - You then need to verify the exact concentration on a Spectrophotometer, refer to EPA method 446
    - You then make dilutions from this stock solution to create Standard concentrations below 250 µg/L for calibrating a Fluorometer
    - Refer to EPA 445 method for the Fluorometer method

Sigma-Aldrich Catalog Number C 6144
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Fluorescent Dyes for Leak Detection

KEYSTONE CORPORATION - Chicago Division
2501 W. Fulton Street
Chicago, IL 60612
USA

Phone: 1-800-522-4DYE (4393)
Website: www.dyes.com

KEYSTONE CORPORATION - Pacific Division
13767 Milroy Place
Santa Fe Springs, CA 90670
USA

Phone: 1-800-477-4DYE (4393)
Website: www.dyes.com

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Naphthalene

Phycocyanin and Phycoerythrin pigments

Prozyme
3832 Bay Center Place
Hayward, CA 94545-3619
USA

Contact names:  Kim Granger or Justin Hyche
Phone: 510-638-6900
Website: www.prozyme.com

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PTSA Dye

Spectra Colors Corp.
Alexis Capik
Phone: 201-997-0606
Email: alexis[at]spectracolors.com
Website: http://www.spectracolors.com/

Turbidity Standards

GFS chemicals
3041 Home Road
Powell, OH 43065
USA

Phone: 877-534-0795

Amco Clear Water Analysis Division GFS Chemicals Inc.
Website: http://www.gfschemicals.com

AquaFluor
10 NTU - GFS Part Number 8545
100 NTU - GFS Part Number 8546

Trilogy
10 NTU - GFS Part Number 8502
100 NTU - GFS Part Number 8503
1000 NTU - GFS Part Number 8699

Cyclops, C3 and C6P, Turbidity Plus
10 NTU - GFS Part Number 8506
100 NTU - GFS Part Number 8507
1000 NTU - GFS Part Number 8620
3000 NTU - GFS Part Number 8621