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Requires Solid Secondary Standard Cap


For Chlorophyll, Rhodamine, Fluorescein, Phycoerythrin and Phycocyanin ONLY. 

- Can be used in place of a primary liquid standard once a correlation between a primary standard and the solid standard is established. 
- Can be used to check fluorometer stability and/or check for loss in sensitivity. 
- Provides a broad range of very stable fluorescent responses. 
- Has an adjustment screw allowing users to set to a desired signal. 


View Instructions

Solid Secondary Standard Insert

SKU: 2300-901
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