Standard Reference Material 2881 - National Institute of Standards ...

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Table 1Type A Uncertainties All ≈ 40%Type B UncertaintiesInstrumentation Related UncertaintiesSample Preparation UncertaintiesAcceleration voltage
Table 2Instrument Parameter Optimal Setting +/- Confidence Interval % Type B Uncertainty Contribution to(Q/ko)Detector Voltage 1.7 +/- 0.03 kV 0.245 %Laser Intensity 1.86 +/- 0.11 mJ/pulse 0.15 %Delay Time 500 ns ─Extraction Voltage 18.2 +/- 0.80 kV 0.029 %Lens Voltage 8.6 +/- 2.0 kV 0.014 %50
Page 1 and 2: NISTIR 7512A Report on the Certific
Page 3 and 4: ABSTRACTThe certification of an abs
Page 5 and 6: 1. IntroductionThe certification of
Page 7 and 8: BHT), was used as the solvent. The
Page 9 and 10: anticipated to be a useful material
Page 11 and 12: sample using a separate method, or
Page 13 and 14: 6.0. Signal Axis Calibration Proced
Page 15 and 16: 6.2 Mathematical Model for Gravimet
Page 17 and 18: Here Q is a function of all the exp
Page 19 and 20: Let us consider this final equation
Page 21 and 22: GGexpTAexpTBGG0TA0TB=⎧⎨1+⎩0(
Page 23 and 24: were also used in this experiment:
Page 25 and 26: The matrix was all-trans retinoic a
Page 27 and 28: educes the data set to groups of th
Page 29 and 30: atios of the two sets of data is ag
Page 31 and 32: An analysis of variance (ANOVA) 5 w
Page 33 and 34: 11. Discussion of Type B Uncertaint
Page 35 and 36: Two other methods were used to chec
Page 37 and 38: certified by this method with the u
Page 39 and 40: References1. S. D. Hanton, I. Z. Hy
Page 41 and 42: Figures1. MALDI-TOF mass spectra of
Page 43 and 44: Figure 242
Page 45 and 46: Figures 5 (inset) and 6 (main)44
Page 47 and 48: Figure 946
Page 49: Tables1. Q/k 0 with its estimated u
Page 53 and 54: 103 10840.42 0.0063 8.93 % 14.72 %
Page 55 and 56: 99 10423.86 0.0139 0.0008 93.9 %100
Page 57 and 58: INSTRUCTIONS FOR USEStorage: The SR
Page 59: REFERENCES[1] See ASTM D5296 05 “

Standard Reference Material 2881 - National Institute of Standards ...

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