Chemical Pollutants in Air, Water, Soil, and Solid Wastes Phần 5 ppt
Chemical Pollutants in Air, Water, Soil, and Solid Wastes Phần 5 ppt
... column containing 95% dimethyl
polysiloxane and 5% diphenyl polysiloxane (e.g., 30 m, 0 .53 mm ID, 1 .5
µ
m
Rtx -5) ; 5% diphenyl polysiloxane, 94% dimethyl polysiloxane, and 1% vinyl
polysiloxane ... may be adhering to it. It is dried
in an oven for several hours at 1 05 C, cooled in a desiccator, and weighed.
Heating, cooling, and weighing is repeated until a constant we...
Chemical Pollutants in Air, Water, Soil, and Solid Wastes Phần 3 pptx
... two end points
commonly fixed in the determination of alkalinity are the pH 8.3 and pH 4 .5
(or between 4.3 and 4.9, depending on the test conditions). When the alkalinity
is determined to pH ... such interference effect. Remove
free chlorine in the sample by adding Na
2
S
2
O
3
solution. In addition, the presence
of oxidizing and reducing agents in the samp...
Chemical Pollutants in Air, Water, Soil, and Solid Wastes Phần 4 pptx
...
Conservation and Recovery Act
CAS no. Compound
[62- 75- 9]
N
-Nitrosodimethylamine
a
[1 059 5- 95- 6]
N
-Nitrosomethylethylamine
[55 -18 -5]
N
-Nitrosodiethylamine
[621-64-7]
N
...
3
) occurs in v
arying concentrations in groundwater, surface
water, and waste water. Its occurrence in waters and sludge is primarily attributed
to its formation resu...
Chemical Pollutants in Air, Water, Soil, and Solid Wastes Phần pps
... 1997 by CRC Press LLC
© 1997 by CRC Press LLC
Handbook of
Environmental
Analysis
Chemical P
ollutants in Air,
Water, Soil, and Solid Wastes
Pradyot Patnaik, Ph.D.
LEWIS PUBLISHERS
Boca ... therefore, important to examine the type of compounds
that are to be analyzed and certain physical and chemical properties of these
compounds. Information regarding the st...
Chemical Pollutants in Air, Water, Soil, and Solid Wastes Phần 7 pdf
... PTE -5, SPB -5, DB -5, Rtx -5, or equivalent.
• Characteristic masses for GC/MS identification: 82, 95, and 138.
• Suggested surrogate/IS: aniline d
5
, 4-fluoroaniline, nitrobenzene d
5
, and
1-fluoronaphthalene.
• ... XAD-2.
• Monomethylamine interferes in the test; interference is removed by passing
air through an impinger containing 0 .5% CuCl
2
solution before drawing
the...
Chemical Pollutants in Air, Water, Soil, and Solid Wastes Phần 8 pps
...
107- 05- 1
Allyl chlor
ide (3-Chloropropene) 45 400 at 27 .5 C
55 7-40-4 Allyl ether 94 20
(c)
55 7-31-3
Allyl eth
yl ether 66 150
(c)
870-23 -5
Allyl mercaptan
67
100 at 15 C
... especially in the
case of oxidizing and reducing agents in redox reactions. In such reactions,
equivalent weight is determined from the change in oxidation number on the
element...