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Ward\
Catalog Number:
(470219-544)
Description:
An assortment of 150 compression and extension springs ranging from 15 to 300 mm in length, 4 to 18 mm diameters, and 16 to 32 swg in wire thickness.
Catalog Number:
(470016-030)
Description:
A convenient design for AC and DC experiments up to 5 amps.
Description:
Innovative performance plastic and flex ink for durable, easy to use, chemical specific laboratory wash bottles.
Catalog Number:
(470210-826)
Description:
This wooden machine has a sturdy wooden construction ideal for classroom use.
Catalog Number:
(470137-886)
Description:
Unit consists of a sturdy metal frame carrying a DC motor with an eccentric shaft for exciting the vibrations. Clamp the frame to a table, attach a string and then simply use masses and a pulley to put tension on the string.
Description:
This kit has been designed to introduce students to the field of document analysis. Experiments in this kit cover the areas of paper analysis, hand writing analysis, detection of a forgery, recovery of mechanical/chemical erasures, hidden message discovery and ink analysis. Students will make use of techniques like microscopy, chromatography and fuming to complete the activities. Kit contains 10 unique sets of materials for 10 groups. Teacher’s Manual and Student Study Guide copymasters are included.
Description:
CAS Number: 7789-09-5
Formula Weight: 252.06 Formula: (NH4)2Cr2O7 Hazard Info: Oxidizer, Flammable, Toxic, Irritant Density (g/mL): 2.15 Freezing Point (°C): 170 Solubility: Water and Alcohol Synonyms: Ammonium Bichromate, Dichromic Acid Diammonium Salt, Diammonium Dichromate(VI) Shelf Life (months): 12 Storage: Yellow
Description:
CAS Number: 1718-34-9
Formula Weight: 309.22 Formula: C13H8N3O5Na Hazard Info: Irritant Density (g/mL): >1 Boiling Point (°C): Decomposes Freezing Point (°C): 250 Solubility: Many Organic Solvents, Hot Methyl Alcohol and Water Synonyms: Mordant Yellow 3R, C.I. No. 14095 Shelf Life (months): 36 Storage: Green
Catalog Number:
(470301-840)
Description:
CAS Number: 1319-46-6<BR>Formula: (PbCO<sub>3</sub>)<sub>2</sub> • Pb(OH)<sub>2</sub><BR>Formula Weight: 775.60<BR>Freezing Point (°C): 400<BR>Hazard Info: Toxic, Irritant<BR>Shelf Life (months): 12<BR>Solubility: Acids<BR>Storage: Green<BR>Synonyms: White Lead, Basic Lead Carbonate<BR><BR>Please Note: This product is designed for educational and teaching laboratories and no certificate of analysis is available.
Catalog Number:
(470128-394)
Description:
Adjustable for Precision
Catalog Number:
(470121-860)
Description:
This sharpened, nickel-plated borer has attached handles that are numbered for easy identification.
Catalog Number:
(470163-046)
Description:
Demonstrate the conversion from electrical energy to mechanical energy
Catalog Number:
(470230-078)
Description:
Long lasting metal Pulley.
Catalog Number:
(470023-984)
Description:
Measure the Diameter of Large Objects
Catalog Number:
(470136-286)
Description:
Liver with gall bladder at half natural size.
Description:
These robust and engaging kits are designed as a resource for the teaching of introductory electricity.
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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.
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].
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
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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