Formaldehyde
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dataset-34296.csv | 76 bytes |
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Determination of FormaldehydeThese data are from a chemical experiment to prepare a standard curve for the determination of formaldehyde by the addition of chromatropic acid and concentrated sulphuric acid and the reading of the resulting purple color on a spectrophotometer. UsageFormaldehyde FormatA data frame with 6 observations on 2 variables.
SourceBennett, N. A. and N. L. Franklin (1954) Statistical Analysis in Chemistry and the Chemical Industry. New York: Wiley. ReferencesMcNeil, D. R. (1977) Interactive Data Analysis. New York: Wiley. Examplesrequire(stats); require(graphics) plot(optden ~ carb, data = Formaldehyde, xlab = "Carbohydrate (ml)", ylab = "Optical Density", main = "Formaldehyde data", col = 4, las = 1) abline(fm1 <- lm(optden ~ carb, data = Formaldehyde)) summary(fm1) opar <- par(mfrow = c(2, 2), oma = c(0, 0, 1.1, 0)) plot(fm1) par(opar) |
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