Stability Flashcards

1
Q

How long is the Calcium Carbonate good for after opening?

A

6 years

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2
Q

Maximum holding time for stability samples

A

Immediate analysis

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3
Q

How much CaCO3 is added to one of the samples?

A

1-2 g (must be saturated)

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4
Q

How much headspace is left on each sample?

A

none

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5
Q

How long do samples stir for?

A

30 min

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6
Q

Which additional tests must be preformed on both the saturated and unsaturated samples?

A

pH and Alkalinity

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7
Q

Which saturation method do we use? Slow of Rapid?

A

Rapid

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8
Q

If saturated pH and Alkalinity are both HIGHER than unsaturated

A

Corrosive

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9
Q

If saturated pH and Alkalinity are both LOWER than unsaturated

A

Scale Forming

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10
Q

If saturated pH and Alkalinity are both the SAME as unsaturated

A

Stable

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11
Q

If saturated pH and Alkalinity are not BOTH higher or lower than unsaturated

A

Invalid

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12
Q

When filtering, how much sample is discarded?

A

the first 25 to 50 mL

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13
Q

What do we consider an invalid result

A

when BOTH pH and alkalinity are not higher or lower between saturated and unsaturated

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