"water+bath"

Hands-on field sampling tool.

CAS Number: 7705-08-0
Formula Weight: 162.21
Formula: FeCl3
Hazard Info: Irritant, Corrosive, Hygroscopic
Density (g/mL): 2.80-2.90
Boiling Point (°C): 307
Freezing Point (°C): 307
Solubility: Water
Synonyms: Ferric Chloride Anhydrous
Shelf Life (months): 12
Storage: White

CAS Number: 7632-00-0
Formula Weight: 69.00
Formula: NaNO2
Hazard Info: Oxidizer, Flammable, Explosive, Toxic
Density (g/mL): 2.17
Freezing Point (°C): 270
Solubility: Water and Alcohol
Synonyms: Nitrous Acid Sodium Salt
Shelf Life (months): 36
Storage: Yellow

Specially Prepared “Real-Life” Combinations
The world is teeming with a wide variety of micro life, making studying samples of pond water complicated especially for the beginning student. To lessen the confusion, Ward's has prepared different culture mixes that reflect protist combinations that occur in the real world, yet eliminates the hundreds of other life-forms found in a collected sample.

Found in fresh water. Chromogenesis; blue to purple pigments produced. Motile. Rods. Gram negative reaction. Aerobic. Incubation temperature 30°C. Blood agar growth medium. Note: Pathogen.

Packaged in a 16×125 mm tubes. Call our Customer Service for availability of demo plates and other special orders.

This handy meter measures soil moisture at the root level to prevent over or underwatering. No batteries are needed, so there is nothing to replace or wear out. It includes an instruction booklet, watering guide, and special needs information for 15o plants that correspond to meter readings. Range: 0 (dry) to 10 (wet). Size: 4"L x 2 1/2"W x 1 1/2"H. Probe: 4 1/4"L.

CAS Number: 13446-34-9
Formula Weight: 197.91
Formula: MnCl2·4H2O
Density (g/mL): 2.0100
Boiling Point (°C): 198
Freezing Point (°C): 58
Solubility: Water and Alcohol
Synonyms: Manganous Chloride, Manganese Chloride, Manganous Chloride 4-Hydrate
Shelf Life (months): 12
Storage: Green

CAS Number: 10025-91-9
Formula Weight: 228.11
Formula: SbCl₃
Density (g/mL): 3.1
Boiling Point (°C): 223
Freezing Point (°C): 73.4
Solubility: Alcohol, Acetone, Acids, and Reactive with Water
Synonyms: Antimony(III) Chloride
Shelf Life (months): 12
Storage: White

CAS Number: 298-96-4
Formula Weight: 334.81
Formula: C₁₉H₁₅CIN₄
Boiling Point (°C): Decomposes
Freezing Point (°C): 250
Solubility: Water and Alcohol
Synonyms: Triphenyltetrazolium Chloride
Shelf Life (months): 36
Storage: Green

CAS Number: 62625-30-3
Formula Weight: 562.20
Formula: C₂₁H₁₅Br₂O₅S·Na
Boiling Point (°C): Decomposes
Solubility: Water
Synonyms: Bromocresol Purple, pH Indicator
Shelf Life (months): 36
Storage: Green/Red

CAS Number: 7772-98-7
Formula Weight: 158.11
Formula: Na₂S₂O₃
Density (g/mL): 1.667
Boiling Point (°C): >100
Freezing Point (°C): 48
Solubility: Water
Synonyms: Sodium Hyposulfite
Shelf Life (months): 12
Storage: Green

Historical Experiment

CAS Number: 10043-35-3
Formula Weight: 61.83
Formula: H₃BO₃
Hazard Info: Toxic, Irritant
Density (g/mL): 1.4
Solubility: Water, Alcohol and Glycerol
Synonyms: Boracic Acid
Shelf Life (months): 36
Storage: Green

CAS Number: 110-16-7
Formula Weight: 116.08
Formula: HOCOCH:CHCOOH
Hazard Info: Toxic
Density (g/mL): 1.59
Boiling Point (°C): Decomposes
Freezing Point (°C): 132
Solubility: Water, Alcohol and Acetone
Synonyms: cis-Butenedioic Acid
Shelf Life (months): 36
Storage: White

CAS Number: 119-36-8
Formula Weight: 152.15
Formula: HOC6H4COOCH3
Hazard Info: Toxic
Density (g/mL): 1.18
Boiling Point (°C): 219-224
Freezing Point (°C): -8.6
Solubility: Slightly in Water and Alcohol
Synonyms: Synthetic Oil of Wintergreen
Shelf Life (months): 36
Storage: Green

CAS Number: 10025-69-1
Formula Weight: 225.63
Formula: SnCl₂·2H₂O
Density (g/mL): 2.71
Freezing Point (°C): 38
Solubility: Water, Alkalies, Tartaric Acid and Alcohol
Synonyms: Stannous Chloride, Dihydrate
Shelf Life (months): 12
Storage: White