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Trial #2

Trial #2

To compare surfactant levels of a cleaning solution

1999

7

5

13

17

Part

07/19/1999

0.00

No relation

Jason Marshall

Liquid

Cutting/Tapping Fluids
Lubricating/Lapping Oils
Oil

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Surfactant Titration

To compare surfactant levels of a cleaning solution before & after passing through separation equipment (Aqueous Recovery Resources, Inc., Suparator, oil-water separator) and a virgin sample of the solution.
Three titrations were per sample were tested for nonionic surfactant content using Bama Chem Nonionic Surfactant Kit. The general procedure is as follows:
1. ADD APPROXIMATELY 25 ML OF WATER TO MIXING VIAL
2. ADD 8 DROPS OF INDICATOR SOLUTION TO VIAL. COLOR SHOULD BE GREEN.
3. ADD 15 DROPS OF 20% SULFURIC ACID TO VIAL (20 DROPS IF STRONGLY ALKALINE DETERGENTS ARE TESTED) AND SWIRL. COLOR SHOULD NOW BE PURPLE. (CAUTION: HANDLE THIS SOLUTION WITH CARE. IT IS CORROSIVE AND MAY CAUSE BURNS.)
4. ADD 0.5ML OF NONIONIC DETERGENT SOLUTION TO VIAL AND SWIRL, COLOR SHOULD NOW TURN BACK TO GREEN OR YELLOW-GREEN.
5. ADD TITRATING SOLUTION DROPWISE WHILE COUNTING UNTIL THE COLOR CHANGES TO A WINE-RED OR PURPLE. (ABOUT HALFWAY TO THE ENDPOINT THE COLOR WILL BE TAN OR LIGHT BROWN). NOTE THE NUMBER OF DROPS NEEDED AND MULTIPLY BY 0.5 TO GET % BY VOLUME OF NONIONIC DETERGENT. EACH DROP IS EQUIVALENT TO 0.0028 GRAMS OF SURFACTANT.
CHOOSE SAMPLE SIZE THAT WILL REQUIRE 10-20 DROPS OF TITRANT FOR BETTER ACCURACY. FOR VERY CONCENTRATED SURFACTANT SOLUTIONS USE A 0.10ML SAMPLE SO AS TO CONSERVE REAGENTS. FOR A 0.10ML SAMPLE USE A FACTOR OF 2.5.
FOR WEAKER SOLUTIONS:
1.00ML SAMPLE USE A FACTOR OF 0.25
10.00ML SAMPLE USE A FACTOR OF 0.025
100.00ML SAMPLE USE A FACTOR OF 0.0025
SOME INTERFERENCES - ACID SOLUBLE ANIONIC DETERGENTS CATIONIC DETERGENTS SOME AMINES STRONG OXIDIZERS SUCH AS HYPOCHLORITES, NITRITES, ETC. HIGHLY CONCENTRATED DYES
The chemistries used were:

SITE CLEANER MFR PRODUCT NOTES
West Bend Environmentally Sensitive Solutions ES -5000 10 % by Volume
West Bend Environmentally Sensitive Solutions ES -5000 Influent to Suparator
West Bend Environmentally Sensitive Solutions ES -5000 Effluent from Suparator

After passing through the oil-water separator, the West Bend cleaning solution surfactant levels almost returned to the initial clean level. Table 1 lists the three stages and the surfactant levels.
Table 1. Surfactant Levels

Site: West Bend  
Cleaner Influent Effluent
2.5 1.67 1.96
2.08 1.5 2.19
2.75 1.61 2.03
2.44 1.59 2.06

Table 2 Data From Each Stage

Experimenter Marshall  
Date     7/20/99  
Client Type     Consultant  
SCL # 99-7104-02-5  
Test Type Nonionic  
Cleaner Mfr West Bend Cleaner  
Product Name Environmentally Sensitive Solutions ES-5000
Concetration Used 10 %
Drops Required 10  
Sample Size 10 mL
Wt of Surfactant 0.028 grams
drop * f 0.25 % by volume of nonionic surfactant
Dilution correction     10  
Total Surfactant 2.5  
Mfr West Bend Cleaner  
Product Environmentally Sensitive Solutions ES-5000
Conc. % 10  
Volume 10  
Wt of Surf 0.028 in Sample
% Surf. 0.25 in Sample
Total Surf % 2.5 Full strength
     
Experimenter   Marshall  
Date 7/20/99  
Client Type Consultant  
SCL #   99-7104-02-5  
Test Type Nonionic  
Cleaner Mfr West Bend Cleaner  
Product Name Environmentally Sensitive Solutions ES-5000
Concentration Used  10 %
Drops Required 5  
Sample Size 6 mL
Wt of Surfactant 0.014 grams
drop * f 0.20833  % by volume of nonionic surfactant
Dilution correction    10  
Total Surfactant 2.08333  
Mfr West Bend Cleaner  
Product      Environmentally Sensitive Solutions ES-5000
Conc. % 10  
Volume 6  
Wt of Surf 0.014 in Sample
% Surf. 0.208333 in Sample
Total Surf %      2.083333 Full strength
     
Experimenter   Marshall  
Date 7/20/99  
Client Type Consultant  
SCL #   99-7104-02-5  
Test Type Nonionic  
Cleaner Mfr West Bend Cleaner  
Product Name Environmentally Sensitive Solutions ES-5000
Concentration Used  10 %
Drops Required 11  
Sample Size 10 mL
Wt of Surfactant 0.0308 grams
drop * f 0.275 % by volume of nonionic surfactant
Dilution correction     10  
Total Surfactant 2.75  
Mfr West Bend Cleaner  
Product      Environmentally Sensitive Solutions ES-5000
Conc. % 10  
Volume 10  
Wt of Surf 0.0308 in Sample
% Surf. 0.275 in Sample
Total Surf %      2.75  
     
Experimenter  Marshall  
Date  7/20/99  
Client Type  Consultant  
SCL #   99-7104-02-5  
Test Type   Nonionic  
Cleaner Mfr   West Bend Influent  
Product  Name  Environmentally Sensitive Solutions ES-5000
Concentration Used 10 %
Drops Required   6  
Sample Size   10 mL
Wt of Surfactant   0.0168 grams
drop * f   0.15 % by volume of nonionic surfactant
Dilution correction   10  
Total Surfactant  1.5  
Mfr   West Bend Influent  
Product   Environmentally Sensitive Solutions ES-5000
Conc. %   10  
Volume    10  
Wt of Surf   0.0168 I n Sample
% Surf.   0.15 in Sample
Total Surf %   1.5 Full strength
     
Experimenter  Marshall  
Date    7/20/99  
Client   Consultant  
SCL #   99-7104-02-5  
Test Type   Nonionic  
Cleaner Mfr   West Bend Influent  
Product Name   Environmentally Sensitive Solutions ES-5000
Concentration Used   10 %
Drops Required   8  
Sample Size   12 mL
Wt of Surfactant   0.0224 grams
drop * f   0.167 % by volume of nonionic surfactant
Dilution correction   10  
Total Surfactant   1.67  
Mfr   West Bend Influent  
Product   Environmentally Sensitive Solutions ES-5000
Conc. %   10  
Volume   12  
Wt of Surf   0.0224 in Sample
% Surf.   0.167 in Sample
Total Surf %  1.67 Full strength
     
Experimenter   Marshall  
Date   7/20/99  
Client Type   Consultant  
SCL #   99-7104-02-5  
Test Type   Nonionic  
Cleaner Mfr   West Bend Influent  
Product Name   Environmentally Sensitive Solutions ES-5000
Concentration Used   10 %
Drops Required   9  
Sample Size   14 mL
Wt of Surfactant   0.0252 grams
drop * f   0.161 % by volume of nonionic surfactant
Dilution correction   10  
Total Surfactant   1.61  
Mfr   West Bend Influent  
Product   Environmentally Sensitive Solutions ES-5000
Conc. %   10  
Volume    14  
Wt of Surf   0.0252 in Sample
% Surf.   0.161 in Sample
Total Surf %  1.61 Full strength
     
Experimenter   Marshall  
Date   7/20/99  
Client Type   Consultant  
SCL #   99-7104-02-5  
Test Type   Nonionic  
Cleaner Mfr   West Bend Effluent  
Product Name   Environmentally Sensitive Solutions ES-5000
Concentration Used   10 %
Drops Required   11  
Sample Size   14 mL
Wt of Surfactant   0.0308 grams
drop * f   0.196 % by volume of nonionic surfactant
Dilution correction   10  
Total Surfactant    1.96  
Mfr   West Bend Effluent  
Product   Environmentally Sensitive Solutions ES-5000
Conc. %   10  
Volume    14  
Wt of Surf   0.0308 in Sample
% Surf.   0.196 in Sample
Total Surf %   1.96 Full strength
     
Experimenter   Marshall  
Date   7/20/99  
Client Type   Consultant  
SCL #   99-7104-02-5  
Test Type   Nonionic  
Cleaner Mfr   West Bend Effluent  
Product Name   Environmentally Sensitive Solutions ES-5000
Concentration Used   10 %
Drops Required   14  
Sample Size    16 mL
Wt of Surfactant   0.0392 grams
drop * f   0.219 % by volume of nonionic surfactant
Dilution correction   10  
Total Surfactant      2.19  
Mfr   West Bend Effluent  
Product   Environmentally Sensitive Solutions ES-5000
Conc. %   10  
Volume   16  
Wt of Surf   0.0392 in Sample
% Surf   0.219 in Sample
Total Surf %  2.19 Full strength
     
Experimenter   Marshall  
Date  7/20/99  
Client Consultant  
SCL #   99-7104-02-5  
Test Type   Nonionic  
Cleaner Mfr   West Bend Effluent  
Product Name   Environmentally Sensitive Solutions ES-5000
Concentration Used   10 %
Drops Required   13  
Sample Size   16 mL
Wt of Surfactant   0.0364 grams
drop * f    0.203 % by volume of nonionic surfactant
Dilution correction   10  
Total Surfactant   2.03  
Mfr   West Bend Effluent  
Product   Environmentally Sensitive Solutions ES-5000
Conc. %   10  
Volume    16  
Wt of Surf   0.0364 in Sample
% Surf.   0.203 in Sample
Total Surf %   2.03 Full strength

The concentration of surfactant in the cleaning solutions were not decreased by passing through the Superator Oil-Water separator.

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