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10 cards from this deck
Tracking concentration changes at regular intervals
Measuring color intensity changes via light absorbance
Concentration directly proportional to light absorbed
Complementary color to substance being measured
Straight line with negative, constant gradient
Downward curve with decreasing gradient
Time for concentration to decrease to half its value
Constant regardless of starting concentration
k=ln2t1/2k = \frac{\ln 2}{t_{1/2}}k=t1/2ln2 or k=0.693t1/2k = \frac{0.693}{t_{1/2}}k=t1/20.693
s−1\text{s}^{-1}s−1 or time−1^{-1}−1
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