Laserfiche WebLink
Page -20- <br /> SPIKING of SAMPLES FOR EPA METHOD 3050 EXTRAGT1,9N <br /> Parameter Preparation Yield <br /> Silver Add 1.0 mL of 75 mg/L standard 0,75 mg/L <br /> to 5 g of sample, extract with <br /> nitric acid, dilute to 100 mL <br /> Thallium Add 1.0 mL of 150 mg/L standard 1.5 mg/I. <br /> to 5 g of sample, extract with <br /> nitric acid, dilute to 100 mL <br /> Vanadium Add 1.0 mL of 200 mg/L standard 2.0 mg/L <br /> to 5 g of sample, extract with <br /> nitric acid, dilute to 100 mL <br /> Zinc Add 1.0 mL of 500 mg/L standard 5.0 mg/L <br /> to 5 g of sample, extract with <br /> nitric acid, dilute to 100 mL <br /> I <br /> r <br /> i <br /> I <br /> E <br /> 7 <br /> y <br /> RECEIVFD <br />