Analytical applications of a recording interference refractometer

Analytical applications of a recording interference refractometer. P. N. Yi, and R. C. MacDonald. Anal. Chem. , 1979, 51 (1), pp 163–165. DOI: 10.10...
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ANALYTICAL CHEMISTRY, VOL. 51, NO. 1, JANUARY 1979

Table 111. Determination of Pb in Biological Samples kind of sample NBS SRM 1 5 7 1 Orchard Leaves 1 5 7 7 Bovine Liver

rat whole bloodb a b C

obtained valuea

certificate value

44.3p g / g , dry basis 0.30pg/g, dry basis

45 t 3 p g / g , dry basis 0.34 + 0.08 pg/g, dry basis

0.05 p g / m L t t h t : !lad tl( e 0 1 PbF,. n.c: have continued cuperiment. w i r h (.'OS and AEII ( y. LVith the i r r a d i a t e d smiple. aftrr diszolntion in FIF) HNO 1. A H 2 exhibited various tf L i d t o tw abandond. >. a : ~ obtained the following +