Page:NIOSH Manual of Analytical Methods - 7501.pdf/8

 SILICA, AMORPHOUS: METHOD 7501, Issue 3, dated 15 March 2003 - Page 8 of 8 Table 2. MATRIX ABSORPTION CORRECTION FACTORS FOR CRISTOBALITE (HEATCONVERT ED AMOR PHOUS SILICA) AND SILVER PEAKS. Degrees 2-1 Cristoba lite Silver

21.93 38.12

21.93 44.28

21.93 38.12

21.93 44.28

T

f(T)

f(T)

T

f(T)

f(T)

1.00

1.0000

1.0000

0.74

1.2806

1.3278

0.99

1.0087

1.0100

0.73

1.2944

1.3440

0.98

1.0174

1.0201

0.72

1.3084

1.3605

0.97

1.0264

1.0305

0.71

1.3226

1.3774

0.96

1.0355

1.0410

0.70

1.3372

1.3946

0.95

1.0447

1.0517

0.69

1.3521

1.4122

0.94

1.0541

1.0625

0.68

1.3673

1.4303

0.93

1.0636

1.0736

0.67

1.3829

1.4487

0.92

1.0733

1.0849

0.66

1.3987

1.4675

0.91

1.0831

1.0963

0.65

1.4150

1.4868

0.90

1.0932

1.1080

0.64

1.4316

1.5064

0.89

1.1034

1.1199

0.63

1.4485

1.5266

0.88

1.1137

1.1320

0.62

1.4659

1.5472

0.87

1.1243

1.1443

0.61

1.4836

1.5684

0.86

1.1350

1.1568

0.60

1.5018

1.5900

0.85

1.1460

1.1696

0.59

1.5204

1.6122

0.84

1.1571

1.1827

0.58

1.5394

1.6349

0.83

1.1685

1.1959

0.57

1.5590

1.6582

0.82

1.1800

1.2095

0.56

1.5790

1.6820

0.81

1.1918

1.2232

0.55

1.5995

1.7065

0.80

1.2038

1.2373

0.54

1.6205

1.7317

0.79

1.2160

1.2516

0.53

1.6421

1.7575

0.78

1.2284

1.2663

0.52

1.6642

1.7840

0.77

1.2411

1.2812

0.51

1.6870

1.8112

0.76

1.2540

1.2964

0.50

1.7103

1.8391

0.75

1.2672

1.3199

NIOSH Manual of Analytical Methods (NMAM), Fourth Edition