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Please note, our office will be closed on Monday, May 29th, in observance of Memorial Day. We will resume business on Tuesday, May 30th. Please feel free to send us messages during this time and we will respond upon our return.
Primary Calibration Standards & Dyes
Available primary calibration standards for Turner Designs Fluorometers, Fluorimeters and Submersible Sensors. Includes liquid chlorophyll, PTSA dye, rhodamine WT dye and fluorescein dye.

P/N: 10-850 - Fluorometric Chlorophyll a Standards
Package includes two 20 mL ampoules with known concentration of Chlorophyll a in a 90% acetone solution.
Shelf Life: 1-year from manufacturing date, un-opened and stored in freezer at -20 deg.C.
(Must ship overnight service on ice, minimum $100 shipping charge applies. Not available for shipment outside the U.S.A.)
View Product Instructions

P/N: 10-950 - Spectrophotometric Chlorophyll a Standard
Standard Package includes one 20mL ampoule with a known concentration of Chlorophyll a Primary Standard in 90% acetone solution
Shelf Life: 1-year from manufacturing date, un-opened and stored in freezer at -20 deg.C.
(Must ship overnight service on ice, minimum $100 shipping charge applies. Not available for shipment outside the U.S.A.)
View Product Instructions

P/N: 6500-120 - 400ppb Rhodamine WT, 1 Liter (two 500 ml bottles)
Shelf life: 1-year from manufacturing date under ambient conditions

P/N: 6500-220 - 800ppb Rhodamine WT, 1 Liter (two 500 ml bottles)
Shelf life: 1-year from manufacturing date under ambient conditions

20% Rhodamine WT Concentrate
P/N: 10-108 - 8 ounce Bottle
P/N: 10-208 - 8 pound Bottle
Shelf life: 1-year from manufacturing date under ambient conditions

Fluorescein, 1 Liter (two 500ml bottles)
P/N: 10-508 - 10ppb
P/N: 10-506 - 100ppb
P/N: 10-507 - 300ppb
P/N: 10-509 - 400ppb
Shelf life: 1-year from manufacturing date under ambient conditions

P/N: 10-109 - 40% Fluorescein Concentrate, 8 ounce bottle
Shelf life: 1-year under ambient conditions

PTSA, 1 Liter (two 500 ml bottles)
P/N: 10-608 - 100ppb
P/N: 10-607 - 300ppb
P/N: 10-609 - 400ppb
Shelf life: 1-year from manufacturing date under ambient conditions