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"WardsSci000478"
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Waterproof ExStik® II Dissolved Oxygen Meter Kit
The DO600-K is a convenient kit which adds versatility for measuring dissolved oxygen in laboratories or out in the field with a 16' (5 m) extension cable and probe weight guard for taking easy measurements in tanks or streams.
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Ward's® Quartz (Chert)
Light gray, compact, hard, opaque, microcrystalline silica mineral.
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Ward's® Barite
When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the composition and structure of the specimens on a microscopic level.
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Ward's® Snowflake Obsidian
When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the composition and structure of the specimens on a microscopic level.
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Ward's® Dover Flint
When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the composition and structure of the specimens on a microscopic level.
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Ward's® Caliche
Hardened natural cement of calcium carbonate that binds other material such as gravel, sand, clay, and silt.
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Ward's® Labradorite (Cleavage)
Feldspar group; good cleavages of pure soda lime feldspar; most show twinning and labradorescence.
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Schist (Mica Garnet)
Silvery, paragranite and muscovite-rich with medium garnet crystals.