... 175,00
Quantity of standard/disk (ng)
Width of inhibition zone around the disk (mm)
Danofloxacine Oxolinic acid Difloxacine
Ciprofloxacine Norfloxacine Enrofloxacine
Flumequine Sulfadiazine Sulfadimethoxine
Sulfamethoxazole ... except for
norfloxacine (28
1 mm and CV = 5 %). Among
them, enrofloxacine induced the est inhibition zone
(36
1 mm) with a CV = 3%. For danofloxacine,...
... achieved within 28 days, is generally taken to indicate
ready degradability. Taking into account that in this system there will also be
incorporation of carbon into the formation of biomass (growth), ... size of the polymer chain and
the insoluble nature of many of the polymers. Extracellular enzymes are respon-
sible for this step, acting either endo (random cleavage on the...
... responsible
for maintaining a current awareness file of OSHA regulations regarding the safe
handling of the chemicals specified in this method. A reference file of material data
handling sheets ... Average recovery found for measurements of samples containing a concentration of C,
in µg/L.
12.6 Identify the parameters in the sample by comparing the retention time of the...
... standards at a minimum of three concentration levels for each
parameter of interest as described in Section 7.3.1.
7.4.2 Prepare a spiking solution containing each of the internal standards using the
procedures ... capable of being
heated to 85°C within 3.0 minutes after transfer of the sample to the purging
device and being held at 85 ±2°C during the purge cycle. The entire wat...
... mutual information, and lexicography. In
Proceedings of the 27th Annual Meeting of the As-
sociation for Computational Linguistics, Vancou-
ver, Canada, 76–83.
Ted Dunning. 1993. Accurate methods for ... -best
lists for a single (and often small) value of are
only snapshots and likely to be misleading.
For instance, considering the set of AdjN base
data with we might arriv...
... found of , in µg/L.
C = True value for the concentration, in µg/L.
= Average recovery found for measurements of samples containing a concentration of C,
in µg/L.
Estimates based upon the performance ... beginning in Section 10.
8.2.4 Calculate the average recovery ( ) in µg/L, and the standard deviation of
the recovery (s) in µg/L, for each parameter of interest u...
... a minimum of three aliquots of calibration standards,
containing each of the phenols of interest that are derivatized according to Section 7.5.
12.10 Inject 2-5 µL of the column fractions into ... may be used
in place of the K–D concentrator if the requirements of Section 8.2 are met.
10.7 Pour the combined extract through a solvent-rinsed drying column containing about
10 cm...
... found for measurements of samples containing a concentration of
C, in µg/L.
APPENDIX A TO PART 136
METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND
INDUSTRIAL WASTEWATER
METHOD 605—BENZIDINES
1. ... responsible for maintaining
a current awareness file of OSHA regulations regarding the safe handling of the
chemicals specified in this method. A reference file of ma...
... recovery found for measurements of samples containing a concentration of C,
in µg/L.
Equation 2
where:
A = Amount of material injected (ng).
V = Volume of extract injected (µL).
i
V = Volume of total ... responsible
for maintaining a current awareness file of OSHA regulations regarding the safe
handling of the chemicals specified in this method. A reference file of mat...
... responsible
for maintaining a current awareness file of OSHA regulations regarding the safe
handling of the chemicals specified in this method. A reference file of material data
handling sheets ... samples containing a concentration of C,
in µg/L.
6. Reagents
6.1 Reagent water—Reagent water is defined as a water in which an interferent is not
observed at the MDL of the param...