🧪 Column separation color-coded diagram slide (Defense 1257-G)
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Column separation color-coded diagram slide (Defense 1257-G)

Demonstrative slide with a color-coded diagram (red square for EDTA, green and yellow for other compounds) illustrating the separation of analytes through the chromatography column.

Exhibit labels

How this item was marked across the four trials. The same physical item often gets different numbers in the criminal and civil trials.

Defense 1257-G

Source proceedings (1)

Every proceeding where this item was discussed. Click through to the transcript.

Criminal trial (1)

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Q206 sock stain LC-MS/MS chromatograms, runs 4088 and 4094 (Defense 1259-A, 1259-B)
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Foreman and Trujillo 1954 EDTA absorption and pharmacokinetics study
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Transcript pages from Agent Roger Martz's criminal trial testimony, referenced in civil proceedings both as a foundational exhibit (Defense Exhibit 1264 in civil, July 25 page 38649) and for impeachment purposes comparing his statements at pages 38641 and 38…
50 ppm EDTA standard chromatograms, February 22 — morning and afternoon runs (Defense 1262-A, 1262-B)
Chromatograms of 50 parts per million EDTA reference standards run twice on February 22: at 9:32 AM (discovery page 4077, ion count approximately 319,561; Defense 1262-A) and at 1:48 PM (discovery page 4070, ion count approximately 49,393; Defense 1262-B). I…
Q206 sock stain full daughter ion scan, broader mass range (Defense 1259-C)
Full daughter ion scan chromatogram of the Q206 sock stain cutting spanning a broader mass range of 130–295, less focused than the standard 160/293 runs. Used both on direct examination by Rieders and on cross to probe whether the 132 ion signal rose meaning…
Q206 composite chromatogram slides (Defense 1257-Q and 1257-R)
Composite slides displaying both Q206 sock stain chromatograms together, used with Dr. Rieders for jury visualization. Defense 1257-Q shows the combined display; Defense 1257-R is the same composite with EDTA peaks highlighted.
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The Simpson Matter
Department 103
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🔬 Column separation color-coded diagram slide (Defense 1257-G)
EVIDENCE KRT DvH TD