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Wooden Student Test Tube Supports

Item Number:  (470104-544)
Ideal for individual student use.

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Dissolved Oxygen Chemical Test Kit

Item Number:  (470006-744)
This is a chemical test kit that measures dissolved oxygen by modified Winkler titration. The HI3810 is supplied complete with all of the reagents and equipment necessary to perform approximately 110 tests.

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Total Hardness Chemical Test Kit

Item Number:  (470006-746)
This chemical test kit measures total hardness as CaCO₃ by titration with EDTA. It includes all of the reagents and equipment necessary to perform approximately 100 tests.

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Sulfide CHEMets® Test Kit, CHEMetrics®

Item Number:  (CXK-9510)
CHEMetrics test kits measure total acid soluble sulfides and employ the methylene blue methodology. Sulfides react with dimethyl-p-phenylenediamine in the presence of ferric chloride to produce methylene blue.

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LaMotte® Test Tube with Cap

Item Number:  (470222-294)
5 to 10 ml test tube with cap for Octa slide.

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Eisco Test Sieves/Strainers, Set of 6, ASTM

Item Number:  (470344-206)
Plastic frames with stainless steel mesh for serial sifting of samples.

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Ward's® Disinfectant Sensitivity Lab Activity

Item Number:  (470024-564)
Test Effectiveness of Various Commercial Cleaners

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New York State Regents Package #2: Locating an Epicenter Package

Item Number:  (470173-944)
The New York State Regents Examination in Physical Setting/Earth Science (Part D) consists of two components: a laboratory performance test and a written test. The performance test features three different stations of hands-on activities.

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Ward's® Bioassay — Effects of Environmental Toxins Lab Activity

Item Number:  (470175-680)
Conduct Reference Toxicity Tests

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Difflugia

Item Number:  (470176-440)
Test cylindrical, covered with sand granules. Soil-water medium.<BR><BR>Characterized by pseudopods; with or without a shell (test).

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Eisco Brass Test Sieves, 8", Set of 6

Item Number:  (470343-930)
Stackable premium quality test sieves for use with many different particle-sizing applications. Brass frames with stainless steel mesh for serial sifting of samples.

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Innovating Science® Total Water Investigation

Item Number:  (470347-440)
Easy way to test water for multiple factors.

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Hanna Instruments Carbon Dioxide Chemical Test kit

Item Number:  (470006-740)
This chemical test kit measures carbon dioxide by titration with sodium hydroxide. It is supplied complete with all of the reagents and equipment necessary to perform approximately 100 tests.

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Ward's® Limestone (Gray)

Item Number:  (470103-722)
Fine, common limestone; massive.

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Test Tube Basket

Item Number:  (470137-792)
Safe Storage for Test Tubes of All Sizes

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Ward's® Qualitative Water Analysis Lab Activity

Item Number:  (470175-710)
Test Collected Samples for Common Industrial and Biological Contaminants

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