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water+analysis
Description:
Estimate stream quality as it relates to solids in the water.<BR><BR>This Turbidity Tube is made from 1-<sup>3</sup>/<sub>4</sub>" (4.4 cm) clear polycarbonate tubing and is marked with easy to read black numbers on a white tape; tape is marked in centimeters. A drain tube with a crimp are supplied so the sample can be drained off until the Secchi pattern on the bottom just appears. The height of the water column is then recorded. Overall length of the tube is 24" (61 cm).<BR><BR>The optional Transparency Tube (item #67311-46) allow you to measure turbidity in streams where a secchi disk can't be used--simply fill the tube with water and look down. Each clear polycarbonate tube features a centimeter scale on one side and a secchi disk design, 2" (4.5 cm) in diameter, on the bottom. The secchi design is screwed to a rubber stopper that removes for cleaning. Drain the tube with the drain hose and attached finger crimp. Ideal for the GLOBE program!
Catalog Number:
(470016-068)
Description:
The Environmental Chemical Test kit is a chemical test kit for the determination of six parameters commonly monitored for environmental testing: acidity, alkalinity, carbon dioxide, hardness, dissolved oxygen, and pH. This kit is equipped with all the necessary reagents and equipment to perform over 100 tests for each parameter. pH is obtained with Hanna‘s pHep®, pH electronic tester.
Description:
With water temperature being such a critical factor for the well-being of fish, it's important to have a good thermometer. This Marina Standing Thermometer is designed to sink to the bottom of the aquarium and remain in a vertical position.
Catalog Number:
(76498-456)
Description:
Bring out the natural luster in equipment while leaving a protective covering that repels water, fingerprints, and dust. 160 premoistened towelettes per pop-up canister.
Catalog Number:
(470004-044)
Description:
Illustrate the Chemical Variety in Soil
Catalog Number:
(470356-466)
Description:
This Hoffman electrolyzer water chemistry kit lab is a must-have for any chemistry lab.
Catalog Number:
(470004-408)
Description:
Students learn about DNA fingerprinting in a dry lab setting.
Description:
Accurate pH Testing
Catalog Number:
(470180-638)
Description:
For testing antimicrobial susceptibility of microorganisms by agar diffusion method.<BR><BR>Premeasured Packs Save Time in the Lab<BR>Simply add the contents of one Dehydrated Media pack to one liter of water, bring to a boil, and sterilize, to make enough media for 40 to 50 plates or 16edited0 tubes.
Description:
Safe, easy, economical test for three factors.
Catalog Number:
(470203-078)
Description:
Pre-calibrated test tubes and labware give fast, accurate results in the classroom or in the lab.
Catalog Number:
(470121-744)
Description:
The selective permeability of membranes is of fundamental importance to cellular physiology. Students will perform experimental procedures involving diffusion, dialysis, water potential and osmotic potential. For 10 lab groups.
Catalog Number:
(470009-278)
Description:
CAS Number: 8012-89-3<BR>Density (g/mL): 0.99<BR>Freezing Point (°C): 61–65<BR>Shelf Life (months): Indefinite<BR>Solubility: Organic Solvents<BR>Storage: Green<BR><BR>Please Note: This product is designed for educational and teaching laboratories and no certificate of analysis is available.
Catalog Number:
(470149-796)
Description:
Modeled after the award-winning EnviroScape models, this kit allows your students to create their own city and learn about water pollution at the same time.
Catalog Number:
(470349-826)
Description:
This pH tester is an easy-to-use pH water tester that makes monitoring water quality simple. This accurate pH tester features 0.1 resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device.
Catalog Number:
(470303-072)
Description:
CAS Number: 5970-47-8
Formula Weight: 548.96 Formula: [ZnCO3]2 [Zn(OH2]3 Density (g/mL): 3.5 Solubility: Slightly soluble in water Shelf Life (months): 36 Storage: Green
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 is still displayed and you need assistance, please call us at 1-800-962-2660.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the
is still displayed and you need assistance, please call us at 1-800-962-2660.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. To apply for a shipping account number, click here. If you need further assistance, call Customer Service at 800-962-2660 or email [email protected].
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The original product is no longer available. The replacement shown is available.
Limited quantities of this product are available. To check availability or place an order, call Customer Service at 800-962-2660 or email [email protected].
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