Gelex Secondary Turbidity Standard Kit, 0 - 4000 NTU

Продукт №: 2589000
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Kit includes 1 sealed vial each, Stray Light Standard, 0-2 NTU, 0-20 NTU, 0-200 NTU, 200-4000 NTU.

(Box and insert sold separately. Part numbers 4660100 and 2522400)