Hach DR2400 Manual page 754

Sulfite
Method Performance
Summary of Method
Required Reagents
Description
Sulfite Colorimetric Reagent Set
Includes:
Sulfite Reagent A................................................................................ 1 ....................... 28 mL.............HPT 430 A
Sulfite Reagent B ................................................................................ 1 ....................... 8.7 mL............ HPT 430 B
Required Apparatus
Sample cells, 10-mL, w/cap .................................................................... 2 ....................... 6/pkg.................24276-06
Required Standards
Sulfite Standard Solution, 15-mg/L................................................................................. 500 mL...............24084-49
Water, deionized ................................................................................................................. 4 liters ....................272-56
*Available in Europe only
FOR TECHNICAL ASSISTANCE, PRICE INFORMATION AND ORDERING:
In the U.S.A. –
Outside the U.S.A. –
On the Worldwide Web –
© Hach Company, 2003. All rights reserved. Printed in the U.S.A.
Page 4 of 4
Precision
Standard: 3.00 mg/L SO
Program
692
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
692
See Section 3.4.5 Sensitivity on page 44 for more information.
The reagents react with sulfite to form a yellow complex. The samples are
measured at 435 nm.
*
..................................................................................... 100/pkg.............HPT 430
Call toll-free 800-227-4224
Contact the HACH office or distributor serving you.
www.hach.com ; E-mail – techhelp@hach.com
2–
3
95% Confidence Limits of Distribution
2.51–3.49 mg/L SO
∆Abs
0.010
Quantity Required
per test
2–
3
∆Concentration
2–
0.04 mg/L SO
3
Unit Cat. No.
HACH COMPANY
WORLD HEADQUARTERS
Telephone: (970) 669-3050
FAX: (970) 669-2932
3/04 1ed
Sulfite_Other_Eng_Ody.fm