Detergents
(anionic surfactants, MBAS)
www.chemetrics.com | 1-800-356-3072
Method
Instrumental Kits
References: USEPA Methods for Chemical Analysis of
Water and Wastes, Method 425.1 (1983). APHA Range: 0.15-1.00 ppm
Standard Methods, 20
th
ed., pp. 5-47, Method 5540 C
Method: Methylene Blue
(1998). ASTM D 2330-02, Methylene Blue Active
Cat#
Substances.
Instrumental Kit, Shelf-life 8 months K-9403
Detergents can be introduced into the water supply by
Kit comes in a cardboard box and contains everything needed to perform 20
tests: twenty double-point ampoules, twenty one test tubes, dropper bottle
industry, soap manufacturers, and private households.
with cap, tip-breaking tool, instructions, and MSDS.
Environmental analysts often include a determination
This kit cannot currently be used with CHEMetrics’ V-2000
of anionic detergents when assessing surface water Photometer. This kit may be used with a spectrophotometer capa-
pollution.
ble of accepting a 13 mm diameter round cell. A calibration table is
included with this kit.
The methylene blue active substances (MBAS)
method is used in a 3-minute procedure to measure
SAM Single-Analyte Photometer*
anionic detergents in the 0-3 ppm (mg/L) range. The
(See page 15 for instrumental features)
procedure features a unique extraction/sampling tech-
nique that eliminates several steps required in other
Range: 0.25-2.50 ppm
test procedures and provides increased sensitivity.
Method: Methylene Blue
Anionic detergents react with methylene blue to Cat#
form a blue-colored complex that is extracted into an
Detergents SAM Kit I-2017
immiscible organic solvent. Results are expressed in Instrumental Kit, 20 double-point ampoules, 21 test tubes, dropper
ppm (mg/L) as linear alkylbenzene sulfonate (LAS),
bottle with cap, tip-breaking tool, instructions, and MSDS.
Shelf-life 8 months. K-9403
equivalent weight 325.
SAM Kit comes in a plastic case and contains everything needed to perform 20
Shelf-life: eight months. We recommend stocking tests: Instrumental Kit, SAM Photometer, 2 AA batteries, and instructions.
quantities that will be used within seven months.
Kit Components common to Detergents
Description Cat#
Visual Kit
Tip Breaking Tool Pack (1 ea) A-0079
Range: 0-3 ppm
Reaction Tube w/Lid, Detergents (1 ea) A-0087
MDL: 0.125 ppm / Method: Methylene Blue
Ampoule Caps Pack (100 ea) A-0095
Cat#
CHEMets Kit K-9400
Instructions are posted on our website.
* Available 2
nd
quarter 2008
CHEMets Refill, 20 ampoule sets, Shelf-life 8 months R-9400
Comparator, Shelf-life 2 years:
0, 0.25, 0.50, 0.75, 1.0, 1.5. 2.0, 3.0 ppm C-9400
Kit comes in a cardboard box and contains everything needed to perform 20
tests: Refill, Comparator, reaction tube with lid, tip breaking tool, ampoule
caps, instructions, and MSDS.
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