"Ward's Science"

Learn about Structures within a Plant Stem

CAS Number: 68855-54-9
Formula Weight: 60.09
Formula: SiO2
Density (g/mL): 2.3
Solubility: Negligible in Water
Synonyms: Diatomite, Filter Material, Infusorial Earth
Shelf Life (months): 36
Storage: Green

This is made of polyethylene and the dimeter of the stirring bar is ³/₈ inch and the length is 12 inch.

Perfect for Submersion.

Space-Saving, Economical Unit

This clamp is compatible with any 1/2" or 3/8" standard support rod and with burets from microsize to 100 ml.

Handle any electrophoresis gel easily and safely.

Economical and compact, this microtube rack comes pre-assmbeled and ready to hold up to twenty-four 1.5–2.0 ml microtubes. Its clearly labeled holes make sample identification easy, while its compact design saves benchspace and makes for easy storage.

Accommodate Most Square Cuvettes.

High-volume rack

Cornstarch, Shelf Life 2 Years

CAS Number: 85-86-9
Formula: C22H16N4O
Density: 0.34 g/mL
Freezing Point: 100 °C
Solubility: Alcohol
Synonyms: Solvent Red 23 C.I. No. 26100
Shelf Life: 36 Months

CAS Number: 7664-93-9
Formula: H2SO4
Density: 1.84 g/mL
Boiling and Freezing Point: 275-325°C, 11°C
Solubility: Water
Synonyms: Hydrogen Sulfate, Battery Acid
Shelf Life: 12 Months

Note: The chemical specifications for some items on this product page may differ from the specifications listed above. For more information, consult the Safety Data Sheet or contact your Ward's representative.

CAS Number: 1313-13-9
Formula Weight: 86.94
Formula: MnO2
Density (g/mL): 5.0
Freezing Point (°C): 535
Solubility: Hydrochloric Acid
Synonyms: Manganese Dioxide, Manganese Peroxide, Manganese(IV) Oxide
Shelf Life (months): 36
Storage: Yellow

These Handypette pipette pumps are an ideal alternative to pipette bulbs.