Science

For use with item #199606 Plastic Syringe. The nylon membrane is hydrophilic and does not contain wetting agents, detergents, or surfactants. Each membrane is sealed in acrylic housing with a female Luer lock on 1 side and a male Luer slip fitting on the other side. The entire unit is in a blister pack and has been radiation sterilized. Select the 0.22-µm Filter for sterilization.

For use with item #199606 Plastic Syringe. The nylon membrane is hydrophilic and does not contain wetting agents, detergents, or surfactants. Each membrane is sealed in acrylic housing with a female Luer lock on 1 side and a male Luer slip fitting on the other side. The entire unit is in a blister pack and has been radiation sterilized. Select the 0.45-µm Filter for prefiltration.

Movable storage rack cart designed for Gratnell trays (sold separately). With this 1-column rack system, you can transport materials to and from the classroom. The tough nylon coating over the 1"-sq steel tubing rack supported by 80-mm, high-density casters make the rack system highly resistant to wear and damage. Column holds 6 small, 3 medium, or 2 large trays. Note: Order 1 pair of Storage Frame Runners (item #705295) per tray. Assembly required.

This product is specially made for use in science education laboratories; no certificate of analysis is available.

Sold only to schools and businesses.

Test conductivity in the classroom or field with this portable battery-powered meter. For a quick visual comparison of conductivity, press and hold the side button, and then touch both brass prongs to a solid or submerge them at least 1" into a liquid. Easily read conductivity, from 1 (low) to 10 (high), on the green LEDs. Release the button, clean the probes with water, and you are ready to test again. Includes battery and operating instructions. A small Phillips screwdriver is needed but not supplied.

Works in common test solutions such as tap water, vinegar, baking soda solution, or varying concentrations of salt water. To prevent corrosion, clean the prongs with water before storage.

Body measures 2-1/2" L x 1-1/2" H x 7/10" W (65 mm L x 38.1 mm H x 17 mm W).Total unit length (including prongs) is 5-1/2" (140 mm).

Helps you teach the following Next Generation Science Standards Student Performance Expectations:
Matter and Its Interactions (5-PS1)
Make observations and measurements to identify materials based on their properties. (5-PS1-3)

Unit is constructed of solid oak and oak veneers and is finished with a clear, chemical-resistant UV finish that shows off the beauty of the wood. It features a 1"-thick, solid epoxy resin top for excellent chemical resistance. Includes 6 combination cold water and gas fixtures, 6 rod sockets, 3 epoxy sinks, 12 book compartments, 6 lockable cupboards with adjustable shelf (3 cupboards per side), and 6 GFI AC electrical outlets.

Functions as a stand-alone unit or can be grouped together to form a continuous row of workstations. Dimensions, 198" L x 48" W x 36" H. Add 66" in length for each additional 4 students. Weight, 1,860 lb. Shipped unassembled from factory.

Add 2 additional choice chambers to your Carolina® Large Choice Chamber Kit (item #143051) to allow for different habitat preference options. By adding the 2 choice chambers, you can test up to 4 different parameters simultaneously. Chamber size, 6" in diameter and 1" deep.

Formula: C₁₉H₁₅CIN₄
Formula Wt.: 334.82
CAS: 298-96-4
Storage Code: Green—general chemical storage
Synonym: TTC

This product is specially made for use in science education laboratories; no certificate of analysis is available.

Synonym: Isopropyl alcohol, IPA
Formula: (CH₃)₂CHOH
Formula Wt.: 60.10
CAS: 67-63-0
Storage Code: Red—flammable; store in approved flammable containers; store away from oxidizing materials
IPA DOT Class: Flammable

Laboratory Grade—Intermediate purity. Suitable for educational laboratories. Use for qualitative analysis, not quantitative analysis.

This product is specially made for use in science education laboratories; no certificate of analysis is available.

   This item is sold and shipped to schools and businesses only. Not available to individuals or residential addresses. For substitution suggestions, please call us at 1 (800) 387-2474 (8am to 8pm, ET, Monday-Friday) or contact us at info@merlan.ca.

Synonym: Isopropyl alcohol, IPA
Formula: (CH₃)₂CHOH
Formula Wt.: 60.1
CAS: 67-63-0
Storage Code: Red—flammable; store in approved flammable containers; store away from oxidizing materials
DOT Class: Flammable

Laboratory Grade - Intermediate purity. Suitable for educational laboratories. Use for qualitative analysis, not quantitative analysis.

This product is specially made for use in science education laboratories; no certificate of analysis is available.

Synonym: Isopropyl alcohol, IPA
Formula: (CH3)2CHOH
Formula Wt.: 60.1
CAS: 67-63-0
Storage Code: Red—flammable; store in approved flammable containers; store away from oxidizing materials
DOT Class: Flammable

Laboratory Grade - Intermediate purity. Suitable for educational laboratories. Use for qualitative analysis, not quantitative analysis.

This product is specially made for use in science education laboratories; no certificate of analysis is available.

   This item is sold and shipped to schools and businesses only. Not available to individuals or residential addresses. For substitution suggestions, please call us at 1 (800) 387-2474 (8am to 8pm, ET, Monday-Friday) or contact us at info@merlan.ca.

Synonym: Isopropyl alcohol, IPA
Formula: (CH₃)₂CHOH
Formula Wt.: 60.1
CAS: 67-63-0
Storage Code: Red—flammable; store in approved flammable containers; store away from oxidizing materials
DOT Class: Flammable

Laboratory Grade - Intermediate purity. Suitable for educational laboratories. Use for qualitative analysis, not quantitative analysis.

This product is specially made for use in science education laboratories; no certificate of analysis is available.

   This item is sold and shipped to schools and businesses only. Not available to individuals or residential addresses. For substitution suggestions, please call us at 1 (800) 387-2474 (8am to 8pm, ET, Monday-Friday) or contact us at info@merlan.ca.

Synonym: Isopropyl alcohol, IPA
Formula: (CH₃)₂CHOH
Formula Wt.: 60.1
CAS: 67-63-0
Storage Code: Red—flammable; store in approved flammable containers; store away from oxidizing materials
DOT Class: Flammable

Laboratory Grade - Intermediate purity. Suitable for educational laboratories. Use for qualitative analysis, not quantitative analysis.

This product is specially made for use in science education laboratories; no certificate of analysis is available.

This product is specially made for use in science education laboratories; no certificate of analysis is available.

This product is specially made for use in science education laboratories; no certificate of analysis is available.

   This item is sold and shipped to schools and businesses only. Not available to individuals or residential addresses. For substitution suggestions, please call us at 1 (800) 387-2474 (8am to 8pm, ET, Monday-Friday) or contact us at info@merlan.ca.

Two-student unit measures 66" L × 30" W × 36" H; includes one full cupboard with adjustable shelf. Add 66" in length for each additional 2 students.

Constructed of solid oak and oak veneer with a 1-1/4"-thick chemical-resistant laminate top. The table features 2 book compartments; a spacious, lockable cupboard with an adjustable shelf and rubber base molding; and 2 locking drawers over the cupboard. Shipped assembled from factory; allow 6 to 8 weeks for delivery.

Dimensions:
Overall: 66" W x 24" D x 30" H
Cabinet: 24" W x 22" D x 29" H
Book Compartments: 12" W x 13" D x 3" H
Drawers: 11-1/2" W x 18" D x 5-1/2" H