Hach DR2400 Manual page 758

Surfactants, Anionic (Detergents)
Method Performance
Summary of Method
Required Reagents
Description
Detergents Reagent Set ...................................................................................................................................24468-00
Includes:
(1) Benzene, ACS ................................................................................ 55 mL .............. 4 liters ................14440-17
(2) Buffer Solution, sulfate-type ....................................................... 10 mL .............. 500 mL...................452-49
(3) Detergent Reagent Powder Pillows ........................................... 1 pillow........... 25/pkg.................1008-68
Required Apparatus
Clippers, for opening powder pillows .................................................. 1 ....................... each........................968-00
Cylinder, graduated, 25-mL .................................................................... 1 ....................... each........................508-40
Cylinder, graduated, 50-mL .................................................................... 1 ....................... each........................508-41
Cylinder, graduated, 500-mL .................................................................. 1 ....................... each........................508-49
Funnel, separatory, 500-mL..................................................................... 1 ....................... each........................520-49
Sample Cells, 10-20-25 mL, w/cap......................................................... 2 ....................... 6/pkg.................24019-06
Support Ring, 4-inch ................................................................................ 1 ....................... each........................580-01
Support, Ring Stand, 5 x 8 inch base...................................................... 1 ....................... each........................563-00
Required Standards
Detergent Standard Solution, 10-mL Voluette
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Page 4 of 4
Precision
Standard: 0.180 mg/L LAS
Program
9
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
Portion of Curve
Entire range
See Section 3.4.5 Sensitivity on page 44 for more information.
Detergents, ABS (alkyl benzene sulfonate), or LAS (linear alkylate sulfonate) are
determined by association with crystal violet dye and extraction of the ion-pair
complex into benzene. Test results are measured at 605 nm.
®
Ampule, 60-mg/L LAS ................... 16/pkg...............14271-10
Call toll-free 800-227-4224
Contact the HACH office or distributor serving you.
www.hach.com ; E-mail – techhelp@hach.com
95% Confidence Limits of Distribution
0.177–0.183 mg/L LAS
∆Abs
0.010
Quantity Required
per test
Detergents_None_Other_CVI_Eng_Ody.fm
∆Concentration
0.002 mg/L LAS
Unit Cat. No.
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WORLD HEADQUARTERS
Telephone: (970) 669-3050
FAX: (970) 669-2932
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