Health Laboratory Science, Volume 6American Public Health Association., 1969 - Public health laboratories |
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Results 1-3 of 54
Page 58
... containing 0.10 , 1 , 5 , and 10 μg arsenic were determined with an accuracy of 0.04 μg based upon 7 replicate determinations at each concn . ( 4 ) . 4.2 Four samples containing known amts of arsenic were analyzed by 8 lab- oratories ...
... containing 0.10 , 1 , 5 , and 10 μg arsenic were determined with an accuracy of 0.04 μg based upon 7 replicate determinations at each concn . ( 4 ) . 4.2 Four samples containing known amts of arsenic were analyzed by 8 lab- oratories ...
Page 109
... containing 140 ml of glacial acetic acid . Gentle heating is per- missible to speed up the process . To the cooled mixture , add 20 ml of the 0.1 per cent stock solution of N- ( 1 - naph- thyl ) -ethylenediamine dihydrochloride , and ...
... containing 140 ml of glacial acetic acid . Gentle heating is per- missible to speed up the process . To the cooled mixture , add 20 ml of the 0.1 per cent stock solution of N- ( 1 - naph- thyl ) -ethylenediamine dihydrochloride , and ...
Page 186
... containing wells with a distance between the centers of the central and peripheral wells of 4.5 instead of 4.0 mm . The depth of the gel was adjusted to either one or two thicknesses of 0.25 mm plastic tape . Greater sensitivity was ob ...
... containing wells with a distance between the centers of the central and peripheral wells of 4.5 instead of 4.0 mm . The depth of the gel was adjusted to either one or two thicknesses of 0.25 mm plastic tape . Greater sensitivity was ob ...
Contents
American Public Health Association | 3 |
Enteropathogenic Escherichia coli Serotypes Found in Sewage Lagoons Waste | 18 |
MelioidosisLaboratory Studies | 27 |
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Common terms and phrases
absorbance acetate acid acnes activity agar air sampling airborne bacteria aliquot alizarin analysis anti antibiotics antibody antigen antiserum areas arsenic assay bacteria bottle calibration carpeted cell chloride clinical collected color concentrations concn containing corneum corridor cultures DDT and DDE degerming deionized water detection determination Difco dilution disc Disease distilled water enterotoxin Figure filter paper fluoride glass Health Laboratory Science hospital incubation infection inhibition isolated line of precipitation medium melioidosis method mg per cent nitrogen dioxide numbers of airborne obtained organisms oxide patient pCi/m³ percent perchloric acid pertussis phenylalanine plaque positive prepared procedure pseudomallei Q Fever reagent reference reported rinsed saline Salmonella Selenite broth sensitivity serological serum slide sodium hydroxide solu specimens standard strains sulfur dioxide sulfuric acid Table temp Tetrathionate tion tissue titer titration tube Versatol virus volume volumetric flask washing whole blood