Hach pH 10 Powder Pillows
Description
pH 10 powder pillows, 50mL sample
Features
- Color coded blue for easy identification
- pH is +/- 0.02 at 25 C
- Choose from packs of 15, 50, or 250 powder pillows
Details
| Image | Part # | Product Description | Price | Stock | Order | |
|---|---|---|---|---|---|---|
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2227195 | pH 10 powder pillows, 50mL sample, 15 tests |
$11.65
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Usually ships in 3-5 days | ||
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2227166 | pH 10 powder pillows, 50mL sample, 50 tests |
$21.89
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Usually ships in 3-5 days
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2227164 | pH 10 powder pillows, 50mL sample, 250 tests |
$87.85
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Usually ships in 3-5 days
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Ocean acidification: University of Washington's giant plastic bags help control research conditions
With oceans becoming more acidic worldwide, scientists are getting creative in designing experiments to study them. For example, one group at the University of Washington is using giant plastic bags to study ocean acidification. Each bag holds about 3,000 liters of seawater and sits in a cylinder-like cage for stability. The group at UW, made up of professors and students, is controlling carbon dioxide levels in the bags over a nearly three-week period, during which they are looking at the effects of increased acidity on organisms living near the San Juan Islands. “These mesocosms are a way to do a traditional experiment you might do in a lab or classroom,†said Jim Murray, professor of oceanography at the University of Washington.
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NOAA Alaska buoy network to monitor North Pacific ocean acidification
National Oceanic and Atmospheric Administration scientists detected signs of ocean acidification in the waters that hold the vulnerable and valuable fisheries of the North Pacific off the coast of Alaska, but they only had a snapshot of the action. “We know that in this place were important commercial and subsistence fisheries that could be at risk from ocean acidification,†said Jeremy Mathis, a NOAA Pacific Marine Environmental Laboratory researcher and professor at the University of Alaska Fairbanks. To understand how ocean acidification affects the North Pacific, NOAA scientists created a mooring network that collects constant in situ data on parameters contributing to acidification. They hope it will reveal seasonal trends and patterns left out by their snapshots.
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Rising Atmospheric CO2 Levels Affecting Cephalopod Behaviors
Carbon dioxide, CO2, is a waste product for animals, including humans. That means that too much of it can be dangerous. In humans, excessive exposure to CO2 can kill, but in lesser amounts it can also affect the blood's pH level, causing acidemia. Acidemia can cause nerve damage , including hallucinations, delirium, and seizures. Far less is known about the subtler effects of CO2 on cephalopods, but this is in large part because far less is known about cephalopods, generally. However, new research from scientists at James Cook University (JCU) in Australia reveals that rising levels of atmospheric CO2 may cause strange behavioral effects in cephalopods—effects that are likely to be dangerous to them.
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