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Cobalt Chloride Paper
Use this test paper to detect the presence of water or to perform qualitative tests of relative humidity. Size of each sheet: 20×25 cm. Package of 12.
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pHep®5 pH/Temperature Tester, 0.01 pH Resolution
The pHep®5 is an advanced, waterproof pH and temperature tester with 0.01 resolution that makes measuring quick and easy. This accurate pH tester features 0.01 resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device. No more switching between meters for your routine measurements.
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CHEMets® Nitrite Refill
This product is a refill for K-7006 Nitrite CHEMets visual kit for the analysis of nitrite in water. It contains 30 self-filling CHEMets ampoules packaged securely in cardboard trays and box. R-7006 Nitrite CHEMets refill is compatible with C-7006 Nitrite low range comparator and C-7007 Nitrite high range comparator.
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Ward's® AP Chemistry Investigation 3: Gravimetric Analysis: How Hard is the Water?
Meets AP Science Practices 1, 2, 4, 5, 6, and 7
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Conductivity, Temperature and Depth Data Loggers
Water logger with Conductivity/Temperature/Depth sensors. Options available for 13, 30, 100 or 250 feet. For use in a wide range of underwater environments; freshwater or saltwater.
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Lycopodium
CAS Number: 8023-70-9
Formula: Natural Product
Solubility: Insoluble in Water and Organic Solvents
Synonyms: Spores of Lycopodium Clavatum
Shelf Life: 36 Months
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Step-Up™ Slide Warmer
This patent-pending design helps you save space while still meeting a busy lab’s needs.
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Underwater PAR Data Logger
Delivers highest-accuracy measurements of photosynthetically active radiation (PAR), temperature, and tilt for both underwater and above water environments.
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Litmus
CAS Number: 1393-92-6
Formula Weight: Approximately 3300
Solubility: Water
Synonyms: 7-Hydroxy-2-Phenoxazone
Shelf Life (months): 36
Storage: Green
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CHEMets® Chlorine (Free and Total) Refill (Purpald-Periodate)
This product is a refill for K-2511 chlorine (free and total) ULR CHEMets visual kit for the analysis of chlorine in water. It contains 30 self-filling ULR CHEMets ampoules packaged securely in cardboard trays and box. R-2511 chlorine (free and total) - ULR CHEMets refill is compatible with C-2511 chlorine comparator.
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Ward's® Phacus
Freshwater. Unicellular; heart-shaped cell. Soil-water medium.
Characterized by a lack of rigid cellulosic walls, instead these organisms have pellicles made of protein. They store paramylon instead of starch.
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HOBO Pendant® MX Temperature and Light Datalogger
The HOBO MX2202 waterproof temperature/light level logger leverages the power of Bluetooth Low Energy (BLE) to deliver accurate temperature and light-level measurements straight to your iOS or Android mobile device.
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Lead(II) Nitrate
CAS Number: 10099-74-8
Formula: PbNO32
Density: 4.53 g/mL
Solubility: Water and Alcohol
Synonyms: Lead Dinitrate
Shelf Life: 36 Months
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Malachite Green Oxalate
CAS Number: 2437-29-8
Formula: C52H54N4O2
Density: 1 g/mL
Solubility: Water and Alcohol
Synonyms: Basic Green 4, C.I. No. 42000
Shelf Life: 36 Months
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Invertase
CAS Number: 9001-57-4
Solubility: Water
Synonyms: Fructofuranosidase, B-
Shelf Life (months): 36
Storage: Green
10,000 activity units per gram
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Safranin O
CAS Number: 477-73-6
Formula: C20H19N4Cl
Density: 1 g/mL
Solubility: Water and Alcohol
Synonyms: Basic Red 2, C.I. No. 50240
Shelf Life: 36 Months