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*method *detect cracking by detecting the sound of the cracking
*using transducers |
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*samples of product are collected @ a convenient location
*determine the amine content *info identifies the concentration of inhibitors present in the system
*since inhibitors are usually amine compounds |
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*liquid samples *injected into hermetically sealed vials of solutions *turn dark if bacteria is present after 7-10 days of exposure *newer test are available which reduce the waiting time to 20 min |
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*long, thin rigid rod like optical device *allows an inspector to see into inaccessible areas *transmit an image from one end of the scope to the other *works by forming an image of the viewing area w/ an objective lens |
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*gas sample are analyzed *measuring the heat & light energy given off during combustion
*determine the components present |
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*steel coupons immersed in an inhibited solution *develop a protective film formed under the conditions of the environment *then coupon is immersed in an acidified copper sulfate solution to determine if the film is protective` |
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*device *measures metal loss by detecting the change in electrical resistance of a small specimen resulting from the loss of metal *should not be used in hydrogen sulfide environments since iron sulfide is conductive |
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