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x <br /> TABLE II <br /> Page -17- <br /> SPIKING OF ARINKINC STATER SAPIPLES <br /> Parameter Pre araban Yield <br /> MBAS Add 0,10 mL of 20 m <br /> g/L of LAS 0.02 mg/L <br /> standard to 100 mL of sample, <br /> add methylene blue solution, <br /> extract with chloroform. <br /> Arsenic Add 0.10 mL of 2.0 mg/L standard 40 ug/L <br /> into 5,0 mL of sample <br /> Barium Add 0.10 mL of 25 mg/L standard 500 ug/L ` <br /> into 5.0 mL of sample <br /> Cadmium Add 0.10 mL of 0.25 mg/L standard 5 ug/L f <br /> into 5.0 mL of sample <br /> Chromium Add 0.10 mL of 2.0 mg/L standard 40 ug/L <br /> Into 5.0 mL of sample <br /> Copper Add 0.25 mL of 25 mg/L standard 250 ug/L <br /> into 25 mL of sample <br /> �• Iron Add 0.25 mL of 50 mg/L standard 500 ug/L <br /> ` into 25 mL of sample <br /> Lead Add 0.10 mL of 2.0 mg/L standard 40 ug/L <br /> into 5.0 mL of sample <br /> Manganese Add 0.5 mL of 15 mg/L standard 150 u L <br /> into 50 mL of sample g/ <br /> Mercury Add 0.10 mL of 1.0 mg/L standard I ug/L <br /> into 100 mL of sample <br /> Selenium Add 0.10 mL of 1.25 mg/L standard 25 ug/L <br /> into 5.0 mL of sample <br /> Silver Add 0.10 mL of 1.0 mg/L standard 20 ug/L <br /> into 5.0 mL of sample <br /> Zinc Add 0.25 mL of 25 mg/L standard 250 u /L <br /> into 25 mL of sample ug <br /> /L <br /> H."OR 1 1J" <br />