In-Situ - Aqua TROLL Turbidity Standards
NIST-traceable turbidity calibration solution (polymer suspension) for Aqua TROLL 500/600 in 500 mL volumes. Available in 10 NTU, 100 NTU, 1000 NTU, 2000 NTU, or 4000 NTU.

In-Situ - Aqua TROLL Turbidity Standards
NIST-traceable turbidity calibration solution (polymer suspension) for Aqua TROLL 500/600 in 500 mL volumes. Available in 10 NTU, 100 NTU, 1000 NTU, 2000 NTU, or 4000 NTU.
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