Influence of sample preparation and pyrolysis parameters on pyrogram variability of bovine serum albumin and glycogen

Parameter Varied

Average difference in 40 most intense peaks (%)


Glycogen a. Wire cleaning method

(3 techniques)*

b. Suspending liquid

c. Sample size

d. Temperature rise time

e. Equilibrium temperature

f. Total heating time

Estimated contribution of a - f to long-term variability

Actual short-term variability (< 1 day)

Actual long-term variability (34 days)

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