Metrohm 757 VA Computrace - Manual (Page 113)

5.5 Results
757 VA Computrace – Software
103
5.5 Results
Results window overview
The RESULTS window contains the current full report for the
loaded determination. If the determination is recalculated, the
RESULTS window is automatically renewed.
==================== METROHM 757 VA COMPUTRACE (5.757.0020) ====================
Determ. : 07171553_5ppm CdPb SMDE bl.dth
Sample ID : std
Creator : --- Date : Time:
Modified by : --- Date : Time:
User : Date : 2001-08-07 Time: 16:48:20
--------------------------------------------------------------------------------
Cell volume: 10.000 mL
Sample amount: 10.000 mL
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Method : Pbhm.mth
Title : Determination of Lead and Cadmium with SMDE
Remark1 : 10ml water + 500 ul acetate buffer + 50 ug Pb
Remark2 : buffer
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Substance : Pb Comments
Mass conc.: 5.034 mg/L ------------------
MC.dev. : 0.016 mg/L ( 0.31%)
Mass : 50.339 ug
Add.mass : 50.000 ug
VR V nA I.mean Std.Dev. I.delta Comments
---- ----- ------ ------ ------- ------- ------------------
1-1 -0.361 -99.1 -99.2 0.193
1-2 -0.361 -99.4
2-1 -0.361 -196.1 -196.2 0.155 -96.9
2-2 -0.361 -196.3
3-1 -0.355 -290.7 -290.3 0.524 -94.2
3-2 -0.355 -290.0
Substance : Cd Comments
Mass conc.: 4.961 mg/L ------------------
MC.dev. : 0.010 mg/L ( 0.19%)
Mass : 49.613 ug
Add.mass : 50.000 ug
VR V nA I.mean Std.Dev. I.delta Comments
---- ----- ------ ------ ------- ------- ------------------
1-1 -0.539 -176.3 -176.1 0.355
1-2 -0.533 -175.8
2-1 -0.539 -350.0 -350.2 0.284 -174.1
2-2 -0.533 -350.4
3-1 -0.533 -520.5 -520.4 0.165 -170.2
3-2 -0.533 -520.3
Substance Calibr. Y.reg/offset Slope Std.Dev.
--------- -------- ------------ ----------- ------------
Pb std.add. -9.926e-008 -1.972e-005 1.923e-010
Cd std.add. -1.761e-007 -3.549e-005 3.164e-010
Solutions
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No. Content Vol. (mL) Predose (mL)
--- ------------------------------------------------ --------- --------------
Final results +/- Res. dev. % Comments
---------------------------------- ------------------ ------------------
Pb:
Pb = 5033.876 µg/L 15.514 0.308
Cd:
Cd = 4961.325 µg/L 9.595 0.193