Modern Analytical Cheymistry - Chapter 10 pps

... . . 6 626 10 3 00 10 589 10 337 10 34 8 9 19 J s) ( m/s) m J Eh hc hc = = = ν λ ν ν λ == × ×=× − − 11 589 10 170 10 9 41 m 1 m 100 cm cm. ν λ == × × =× − − c 300 10 589 10 509 10 8 9 14 ... A A C C C C A A m SX X SX Y SY SY SX =+       402 Modern Analytical Chemistry 1400-CH10 9/8/99 4:18 PM Page 402 Figure 10. 22 Calibration curves showing positive and...

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... Readings 102 4M References 102 Chapter 5 Calibrations, Standardizations, and Blank Corrections 104 5A Calibrating Signals 105 5B Standardizing Methods 106 5B.1 Reagents Used as Standards 106 5B.2 ... treatment. xii Preface Preface 1400-Fm 9/9/99 7:38 AM Page xii • Problems adapted from the literature. Many of the in -chapter examples and end- of -chapter problems are based on...

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... analyte ppm ppb 100 mg 10 mg 1 mg 100 µg 10 µg 1 µg 0.1 g sample, 10% analyte 0.01 g sample, 100 % analyte Macro Micro Meso Ultramicro Major 10 10 % 10 –9 % 10 –8 % 10 –7 % 10 –6 % 10 –5 % 10 –4 % 10 –3 % 10 –2 % 0.1% 1% 10% 100 % –log(% ... analyte Macro Micro Meso Ultramicro Major 10 10 % 10 –9 % 10 –8 % 10 –7 % 10 –6 % 10 –5 % 10 –4 % 10 –3 %...

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... × 10 –9 MnCO 3 9.30 5.0 × 10 10 FeCO 3 10. 68 2.1 × 10 –11 CoCO 3 9.98 1.0 × 10 10 NiCO 3 6.87 1.3 × 10 –7 Ag 2 CO 3 11.09 8.1 × 10 –12 Hg 2 CO 3 16.05 8.9 × 10 –17 ZnCO 3 10. 00 1.0 × 10 10 CdCO 3 13.74 ... 6.3 × 10 –3 9.05 (NH 3 ); (µ = 0.1 M) 8.9 × 10 10 methylamine CH 3 NH 3 + 10. 64 2.3 × 10 –11 2-methylaniline 4.447 3.57 × 10 –5 4-methylaniline 5.084 8.24...

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... Exponential Notation Exponential Prefix Symbol 10 12 tera T 10 9 giga G 10 6 mega M 10 3 kilo k 10 –1 deci d 10 –2 centi c 10 –3 milli m 10 –6 micro µ 10 –9 nano n 10 –12 pico p 10 –15 femto f 10 –18 atto a significant ... outlined earlier. 101 99 102 = . 22 91 0152 16 302 0 21361 0 214 . × == 14 Modern Analytical Chemistry 1400-CH02 9/8/99 3:48 PM Page 14...

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... 25-mL pipet four times; or (c) use a 1 0- mL pipet ten times? 11. A solution can be diluted by a factor of 200 using readily available pipets (1-mL to 100 -mL) and volumetric flasks (1 0- mL to 100 0-mL) ... . R M R M       =       +       =       =       +       +       +       = a b 0 006 1 000 03 100 0 0 0 006 003 20 00 003 25 00 02 500...

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... 118) matrix matching (p. 110) method of standard additions (p. 110) multiple-point standardization (p. 109 ) normal calibration curve (p. 109 ) primary reagent (p. 106 ) reagent grade (p. 107 ) residual error ... dilution. 114 Modern Analytical Chemistry V S S spiked x -intercept = (a) – C A V o C S y -intercept = kC A V o V f Slope = kC S V f S spiked x -intercept = (b) – C A V o V...

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... – – – HO 3 813 8 14 8 10 6 32 10 4 5 10 0 10 6 32 10 1 00 10 0 10 6 32 10 186 10 + = ×× +× × +× =× [ ] ( . )( . ) . –– – HO M 3 310 7 4 487 10 1 358 10 7 807 10 + =× ×=× []HO aa312 + = KK 1400-CH06 9/9/99 ... PO w aHPO K K K K K K 55 55 24 34 100 10 590 10 169 10 100 10 711 10 141 10 14 6 9 14 3 12 == × × =× == × × =× + []. . –– HO 3 14 7 1 00 10...

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... 7.26. () . ). .Q aq mL (0.0438) (10. 00 mL mL 1 100 0 100 0 0 996= + = D = ××× × ×+××× = −− −− (. )(. )(. )(. ) (. )(. ) (. )(. )(. ) . 25 10 70 10 50 10 10 10 1 010 010 2 510 5 010 1 010 0 0438 16 4 5 2 4 ... KH 2 PO 4 and NaCl. 27 Nominal Mass Actual Mass %w/w KH 2 PO 4 (g) (g) 0 .10 0 .103 9 0.085 0 .101 5 1.078 0 .101 2 0.413 0 .101 0 1.248 0 .106 0 0.654 0.0997 0.507 0...

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... standards. [thiourea] (M) ∆f (Hz) 3.00 × 10 –7 74.6 5.00 × 10 –7 120 7.00 × 10 –7 159 9.00 × 10 –7 205 15.00 × 10 –7 327 25.00 × 10 –7 543 35.00 × 10 –7 789 50.00 × 10 –7 108 9 (a) Characterize this method ... NO) 23 23 96 3 96 3 23 96 3 23 96 3 96 3 96 3 252 Modern Analytical Chemistry 1400-CH08 9/9/99 2:18 PM Page 252 262 Modern Analytical Chemistry EXAMPLE 8. 7 A 2...

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