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Ward’s Science Tel: (866) 260-0501 107                     

Ward’s Science Tel: (866) 260-0501 106            

Ward’s Science Tel: (866) 260-0501 107                     

Ward’s Science Tel: (866) 260-0501 106            

Required Equipment Dissolved Oxygen Electrode Quick Help Guide Specifications Concentration Range: 0 to 20 mg/L Temperature Range: 0 to 60°C Response Time: 98% of full response in 90 seconds at 25°C Accuracy: ±0.2 mg/L Pressure: 0-50 PSI Flow cond...

Layout 1 Working with Planaria Working with Planaria Introduction Planaria are free-living aquatic flatworms known as Turbellarians of the phylum Platyhelminthes (Greek for “flatworm”). Turbellarians are also known as “triclads” which refers to th...

Using Type 1 Water (18.2 MΩ-cm) for High Performance Liquid Chromatography in the Food & Beverage Industry Tammy Goodman Commercial Manager Water Purification Thermo Scientific High Performance Liquid Chromatography (HPLC) is widely used in the fo...

Energy in Motion Grade 6: Temperature Probe Aligned with National Standards Call WARD’S at 1-800-962-2660 for Technical Assistance Page 2 Just because a bottle looks empty doesn’t mean that it is empty. The bottle actually contains air which is ma...

Conditions for Customer Ownership We hold permits allowing us to transport these organisms. To access permit conditions click here. Never purchase living specimens without having a disposition strategy in place. The USDA does not require any speci...

Conditions for Customer Ownership We hold permits allowing us to transport these organisms. To access permit conditions click here. Never purchase living specimens without having a disposition strategy in place. There are currently no USDA permits...

Conditions for Customer Ownership We hold permits allowing us to transport these organisms. To access permit conditions click here. Never purchase living specimens without having a disposition strategy in place. • Pond and Ramshorn snails: There a...

Layout 1 Conditions for Customer Ownership We hold permits allowing us to transport these organisms. To access permit conditions click here. Never purchase living specimens without having a disposition strategy in place. The USDA does not require ...

Heavy Ice or Heavy Water? Grade 5: Temperature Probe Aligned with National Standards Call WARD’S at 1-800-962-2660 for Technical Assistance Page 2 This is a teacher-led whole class inquiry activity where students observe the effects of temperature...

METTLER TOLEDO Solutions for Standard Test Methods AS TM S ta nd ar ds Standard Test Method Description MT Instruments C1267 Uranium by Iron (II) Reduction in Phosphoric Acid Followed by Chromium (VI) Titration in the Presence of Vanadium G20S G20...

Working with Daphnia Diagrammatic Anatomy of a female Daphnia 1. Frontal organ 16. Carapace 2. Esophagus 17. Filter setae 3. Antennal adductor muscles 18. 2nd and 3rd thoracic appendages 4. Antenna 19. Shell gland 5. Antennal levator muscle 20. Ma...