standard pyridine and imidazole hemochrome spectra:
dilute 1ml QCRAM with 4ml water => 10mM cyct C
range: cytspec
weigh dry cuvette +stopper 
12082101:0.6ml 10uM cyt C
12082102:r
12082103:+DT
12082104:r
weigh cuvette+stopper
12082105:+.6ml pyr/NaOH+DT*
12082106:r
12082107:r
12082108:r
weigh cuvette+stopper
clean and dry cuvette
12082109:0.6ml 10uM cyt C
12082110:r
12082111:+DT
12082112:r
weigh cuvette+stopper
12082113:+.6ml imid/NaOH+DT*
12082114:r
12082115:r
12082116:r
weigh cuvette+stopper
clean and dry cuvette

*when adding pyr or imid solutions, first add a pinch of DT to eppendorf tube 
add solution to tube then transfer to cuvette, stopper and invert several times