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Aluminum Metal (20 gauge sheet) - 12" x 12" x .032"
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13393
Aluminum Metal (20 gauge sheet) - 12" x 12" x .032"
$21.75 Each
Zinc metal, foil 0.010" x 12" x 36", (1 piece = 500g) - 500g
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13445
Zinc metal, foil 0.010" x 12" x 36", (1 piece = 500g) - 500g
Zinc metal, foil 0.010" x 12" x 36", (1 piece = 500g) - 500g
$36.50 Each
Oxygen Dissolved Kit
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14531
Proper dissolved oxygen levels are essential for aquatic ecosystems. A dissolved oxygen level of 5 mg/L or greater will support healthy growth of most fish species. Other applications include monitoring in waste water treatment plants, determination of BOD and COD. This test kit uses an adaptation of the Winkler method to determine dissolved oxygen. Includes 100 tests.
$72.60 Each
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- School Bus Safety Signs (23)
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- Astronomy (11)
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- Bunsen Burners (10)
- Chemistry (101)
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