Hach DR2400 Manual page 746

Sulfate
Method Performance
Summary of Method
Required Reagents
Description
2–
Sulfate - SO , HR, UniCell™ HCT 126 ......................................................................... 23/pkg.............. HCT 126
4
Optional Reagents
Sulfate Standard, 2500-mg/L as SO
Sulfate Standard, 2500-mg/L as SO
Required Apparatus
Adapter, 16-mm Cell .......................................................................................................... each....................59457-00
Optional Apparatus
Cylinder, mixing, graduated 25-mL................................................................................. each....................20886-40
Pipettor, Jencons, 1–5 mL................................................................................................... each....................27951-00
Replacement tips for 27951-00 .......................................................................................... 100/pkg.............27952-00
Pipettor, Jencons, 100–1000 µL.......................................................................................... each....................27949-00
Replacement tips for 27949-00 .......................................................................................... 400/pkg.............27950-00
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Page 4 of 4
Precision
Standard: 750 mg/L SO
Program
812
See Section 3.4.3 Precision on page 44 for more information, or if the standard
concentration did not fall within the specified range.
Sensitivity
Program
812
See Section 3.4.5 Sensitivity on page 44 for more information.
Sulfate ions in the sample react with barium chloride in aqueous solution and
form a precipitate of barium sulfate. The resulting turbidity is measured
photometrically.
............................................................................... 500 mL...............14252-49
4
, 10-mL Ampules................................................. 16/pkg...............14252-10
4
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Contact the HACH office or distributor serving you.
www.hach.com ; E-mail – techhelp@hach.com
2–
4
95% Confidence Limits of Distribution
672–828 mg/L SO
Portion of Curve
Entire range
2–
4
∆Abs ∆Concentration
0.010 5 mg/L SO
Unit
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WORLD HEADQUARTERS
Telephone: (970) 669-3050
FAX: (970) 669-2932
Sulfate_UniCell_Turb_Eng_Ody.fm
2–
4
Cat. No.
3/04 1ed