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water+analysis
Description:
Introduce Students to an Array of Forensics Fields
Catalog Number:
(VFT-0372-00)
Description:
Deck-mounted pure water faucets feature tin-lined, chrome-plated brass or all-PVC construction.
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Catalog Number:
(470107-534)
Description:
Make Sure the Water is Free of E. coli
Description:
CAS Number: 10025-69-1
Formula Weight: 225.63 Formula: SnCl2·2H2O Density (g/mL): 2.71 Freezing Point (°C): 38 Solubility: Water, Alkalies, Tartaric Acid and Alcohol Synonyms: Stannous Chloride, Dihydrate Shelf Life (months): 12 Storage: White
Description:
CAS Number: 141-78-6
Formula Weight: 88.11 Formula: CH3COOC2H5 Hazard Info: Flammable, Explosive, Irritant Density (g/mL): 0.902 Boiling Point (°C): 77 Freezing Point (°C): -83.6 Solubility: Common Organic Solvents and Slightly in Water Synonyms: Ethyl Acetic Ester Shelf Life (months): 36 Storage: Red
Description:
Understand How a Water Treatment Plant Works.
Catalog Number:
(470179-942)
Description:
Specially Prepared “Real-Life” Combinations<BR>The world is teeming with a wide variety of microlife, making studying samples of pond water complicated especially for the beginning student. To lessen the confusion, WARD’S has prepared different culture mixes that reflect protist combinations that occur in the real world, yet eliminates the hundreds of other life-forms found in a collected sample. Comes with a dichotomous key and either the Working with Algae or the Working with Protozoa manual. Supplied in a single jar.<BR><BR>Contents: <i>Chlamydomonas, Closterium, Pandorina, Peridinium, Spirogyra, Synedra</i>, and <i>Volvox</i>.
Description:
Great for lab use.
Catalog Number:
(470024-118)
Description:
Students use several techniques to investigate the location, methods, and mechanisms of transpiration in plants. Students first determine the source of water loss and confirm their findings with a qualitative chemical test. Then they prepare microscope slides of xylem in stem tissue, and prepare a leaf imprint using an innovative method that vividly highlights stomate structures. Finally, using WARD’S specially-designed potometer and supplied materials, students subject bean seedlings to varying environmental conditions to determine how transpiration is affected. You’ll get enough materials for eight setups, a teacher’s guide, and student copymaster.
Catalog Number:
(470338-536)
Description:
Explain the principle of high surface tension as water acts like a membrane stretched across the surface preventing sulfur particles from sinking.
Description:
Visualize acceleration and centripetal force with this unique device.
Description:
CAS Number: 124-09-4
Formula Weight: 116.21 Formula: 1,6-NH2(CH2)6NH2 Hazard Info: Corrosive Density (g/mL): 0.854 Boiling Point (°C): 205 Freezing Point (°C): 39-42 Solubility: Water and Slightly in Alcohol Synonyms: Hexamethyleneediamine, 1,6-Diaminohexane Shelf Life (months): 36 Storage: White
Description:
Specially Prepared “Real-Life” Combinations<BR>The world is teeming with a wide variety of microlife, making studying samples of pond water complicated especially for the beginning student. To lessen the confusion, WARD’S has prepared different culture mixes that reflect protist combinations that occur in the real world, yet eliminates the hundreds of other life-forms found in a collected sample. Comes with a dichotomous key and either the Working with Algae or the Working with Protozoa manual. Supplied in a single jar.<BR><BR>Contents: Pond scum.
Catalog Number:
(470347-444)
Description:
Easy way to test urban water for multiple factors.
Catalog Number:
(470021-194)
Description:
Suitable for use in fresh, brackish and salt water.
Catalog Number:
(470180-040)
Description:
<i>Nymphoides aquatica</i>. Dicot. The green tubercles that grow from this unique plant’s short roots store nutrients and look like bananas, giving the plant its common name. It is a floating plant that grows best in shallow water. It is easily reproduced from cuttings. Size: 4–6". Package of six.<BR><BR>Unless otherwise noted, plants are supplied in waterproof, plastic bags that keep plants fresh and healthy. Care instructions are included. Be sure to check with your state’s Department of Agriculture for any restrictions.
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