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#11 |
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Here is how science guys do a salt test.
First, they know the size of the test chamber. Then, they get a precise amount of salt that is based upon the size of the test chamber. Next, the amount of water that they use is based upon the amount of salt that they used. Last, but not least, they have a formula for how much time that they need to do the test correctly. The time is based upon the test chamber size, amount of salt, and amount of water. This equation is the same equation that is used with the Humidipak calibration bag. You have a precise amount of water and salt (the humidipak), and you have a test chamber matched to the salt and water(the calibration bag). Then based on all 3 (salt,water,chamber) you have a precise time frame to conduct the test. another example. There is a relatively expensive hygro available called the VWR recalibratable hygrometer. with the hygro comes a calibration bottle. in the bottle is a precise mix of water and salt. you stick the end of the hygro into the calibration bottle. they have it designed so that the hygro does not get wet. because they have a fixed amount of salt and water, and bottle size, the company can give you an exact timeframe for conducting the test. at home salt test can vary greatly because we all use different size test chambers. Also, what exactly is a slurry? or not too wet, but not too dry. Use the Humidipak calibration kit. |
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