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Rosewood paper grain — description and returns beneath the overlapping buy card.
reliable measurements under demanding field conditions
50 - as PO4
Includes clip
Spring pop-out design opens automatically in seconds with no assembly required
The S50 Sedgewick-Rafter Counting Chamber is an economical plastic counting cell designed for the quantitative examination of plankton
Salinity Hydrometer pH Testing reliable measurements under demanding fieldProduct Code: 6602 7 Precision specific gravity hydrometer for salinity measurement. Glass with scale graduated in divisions of 0. 0005 from 1. 000 to 1. 070 Specific Gravity. Each unit is checked against NIST certified standard. Length 13" (330 mm), scale length 5. 5" (140 mm). Use with hydrometer cylinder (E35002) and thermometer. Use with Graduated Cylinder
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