. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. SENSITIVITY OF STRIPED BASS AND STICKLEBACK 143 o o < z o < < a: o. ABSORBANCE FIGURE 2. Concentration of ammonia-nitrogen versus absorbance as observed in standard solutions using seav/ater, 33% seawater, American River water, and deionized water as diluents. Ill freslnvater the Siandard Methods . . (ibid.) procedure was fol- lowed, except that no EDTA was used. Standard curves used in the estimation of NH4-N are includ
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. SENSITIVITY OF STRIPED BASS AND STICKLEBACK 143 o o < z o < < a: o. ABSORBANCE FIGURE 2. Concentration of ammonia-nitrogen versus absorbance as observed in standard solutions using seav/ater, 33% seawater, American River water, and deionized water as diluents. Ill freslnvater the Siandard Methods . . (ibid.) procedure was fol- lowed, except that no EDTA was used. Standard curves used in the estimation of NH4-N are included as Figure 2. To obtain an idea of the accuracy of the method, a recovery experi- ment was performed. Known amounts of ammonia nitrogen were added to aliquots of water samples taken from freshwater, 33% seawater, and seawater aquaria which contained fish. After mixing in a known quan- tity of NH4-N, analyses were made by the usual method. The results are tabulated in Table 1. Control values are the amounts of NH4-N that were present before additions were made. NH4-N was added to give the quantities noted as ''expected". The "observed" values are the measured concentrations. There was no measurable difference between. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original California. Dept. of Fish and Game; California. Fish and Game Commission; California. Division of Fish and Game. [San Francisco, etc. ] State of California, Resources Agency, Dept. of Fish and Game
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