"Ward's Science"

CAS Number: 6363-53-7
Formula Weight: 360.32
Formula: C12H22O11·H2O
Boiling Point (°C): Decomposes
Freezing Point (°C): 102-103
Solubility: Water and Alcohol
Synonyms: Maltose, Malt Sugar
Shelf Life (months): 36
Storage: Green

CAS Number: 10124-56-8
Formula Weight: 611.52
Formula: (NaPO₃)₆
Freezing Point (°C): 628
Solubility: Water
Synonyms: Sodium Polyphosphate
Shelf Life (months): 36
Storage: Green

Tris-Gly-SDS Buffer Solution, Premixed Powder, Makes 6 L

Meets AP Science Practices 1, 2, 4, 5, and 6

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.

CAS Number: 50-78-2
Formula Weight: 180.16
Formula: 2-CH₃COOC₆H₄COOH
Density (g/mL): 1.35
Boiling Point (°C): Decomposes
Freezing Point (°C): 135
Solubility: Alcohol and Chloroform
Synonyms: Salicylic Acid Acetate, Aspirin, 2-(acetyloxy)-Benzoic acid
Shelf Life (months): 12
Storage: Green

An ideal solvent for histological fixation and dehydration.

Demonstrate photosynthesis and respiration in action with our ready-made algae beads.

CAS Number: 14808-60-7
Formula: SiO2
Density: 2.65 g/mL
Boiling and Freezing Point: 2230°C, 1610°C
Solubility: Insoluble
Synonyms: Silicon Dioxide, Quartz, Crystalline Silica
Shelf Life: 36 Months

Learn how to determine density and displacement.

Demonstrate the concepts of Indicators and Acids and Bases!

CAS Number: 7727-54-0
Formula Weight: 228.20
Formula: (NH₄)₂S₂O₈
Hazard Info: Oxidizer, Reactive
Density (g/mL): 1.92
Solubility: Water
Synonyms: Ammonium Peroxydisulfate, Diammonium Peroxydisulfate
Shelf Life (months): 36
Storage: Yellow

CAS Number: 7681-82-5
Formula: NaI
Density: 3.667 g/mL
Boiling and Freezing Point: 1304°C, 653°C
Solubility: Water, Alcohol, and Glycerin
Synonyms: Sodium Monoiodide
Shelf Life: 12 Months

CAS Number: 127-09-3
Formula: NaC2H3O2
Density: 1.53 g/mL
Freezing Point: 324°C
Solubility: Water and Alcohol
Synonyms: Acetic Acid Sodium Salt
Shelf Life: 12 Months

CAS Number: Mixture
Formula Weight: Mixture
Formula: Mixture
Hazard Info: Toxic, Corrosive
Density (g/mL): 1.02
Boiling Point (°C): Decomposes
Freezing Point (°C): 0
Solubility: Water
Synonyms: Chlorine Test Solution
Shelf Life (months): 36
Storage: White

CAS Number: 547-58-0
Formula Weight: 327.35
Formula: C14H14N3NaO3S
Density (g/mL): 0.35-0.39
Freezing Point (°C): >300
Solubility: Hot Water
Synonyms: C.I. No. 13025, C.I. Acid Orange 52
Shelf Life (months): 36
Storage: Blue