diff --git a/R/NetoEx7A.5.R b/R/NetoEx7A.5.R
new file mode 100644
index 0000000000000000000000000000000000000000..1a07a33cf647ba2c86eda042610eac5e1eac24d3
--- /dev/null
+++ b/R/NetoEx7A.5.R
@@ -0,0 +1,31 @@
+#' @name NetoTb7A.5
+#' @title Determinação Catalítica de Cr(VI)
+#' @description Planejamento para a determinação catalítica de Cr(VI)
+#' @format Um \code{data.frame} com 20 observações e 5 variáveis, em que
+#'
+#' \describe{
+#'
+#' \item{\code{ens}}{Número do ensaio.}
+#'
+#' \item{\code{x1}}{Solvente 1.}
+#' 
+#' \item{\code{x2}}{Solvente 2.}
+#' 
+#' \item{\code{x3}}{Solvente 3.}
+#' 
+#' \item{\code{a}}{Absorvância.}
+#' 
+#' }
+#' @keywords DBC
+#' @source Barros Neto, Benício de (2010), (Tabela 7A.5, pág. 353)
+#' @examples
+#'
+#' data(NetoTb7A.5)
+#' str(NetoTb7A.5)
+#'
+#' library(car)
+#'
+#' scatterplotMatrix(NetoTb7A.5, pch = 20, cex.labels = 1.25) 
+#'
+#'
+NULL
\ No newline at end of file
diff --git a/data-raw/NetoTb7A.5.txt b/data-raw/NetoTb7A.5.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0e7c356bf5a66ee30f7c702991b7a47e9f43a9d9
--- /dev/null
+++ b/data-raw/NetoTb7A.5.txt
@@ -0,0 +1,21 @@
+ens	x1	x2	x3	a
+1	0.625	0.375	0	0.81
+1	0.625	0.375	0	0.777
+2	0	1	0	0.279
+2	0	1	0	0.288
+3	0	0	1	0.054
+3	0	0	1	0.046
+4	0.625	0	0.375	0.507
+4	0.625	0	0.375	0.498
+5	0.313	0.687	0	0.474
+5	0.313	0.687	0	0.486
+6	0	0.5	0.5	0.115
+6	0	0.5	0.5	0.077
+7	0.313	0	0.687	0.277
+7	0.313	0	0.687	0.232
+8	0.313	0.344	0.344	0.409
+8	0.313	0.344	0.344	0.370
+9	0.468	0.266	0.266	0.548
+9	0.468	0.266	0.266	0.492
+10	0.156	0.211	0.633	0.192
+10	0.156	0.211	0.633	0.109
diff --git a/data/NetoTb7A.5.rda b/data/NetoTb7A.5.rda
new file mode 100644
index 0000000000000000000000000000000000000000..5151a726b7563c73c241abd981e27905c8d2b209
Binary files /dev/null and b/data/NetoTb7A.5.rda differ
diff --git a/man/NetoTb7A.5.Rd b/man/NetoTb7A.5.Rd
new file mode 100644
index 0000000000000000000000000000000000000000..abd86afb15ab41ff841da043c466a6cd3f80aabe
--- /dev/null
+++ b/man/NetoTb7A.5.Rd
@@ -0,0 +1,39 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/NetoEx7A.5.R
+\name{NetoTb7A.5}
+\alias{NetoTb7A.5}
+\title{Determinação Catalítica de Cr(VI)}
+\format{Um \code{data.frame} com 20 observações e 5 variáveis, em que
+
+\describe{
+
+\item{\code{ens}}{Número do ensaio.}
+
+\item{\code{x1}}{Solvente 1.}
+
+\item{\code{x2}}{Solvente 2.}
+
+\item{\code{x3}}{Solvente 3.}
+
+\item{\code{a}}{Absorvância.}
+
+}}
+\source{
+Barros Neto, Benício de (2010), (Tabela 7A.5, pág. 353)
+}
+\description{
+Planejamento para a determinação catalítica de Cr(VI)
+}
+\examples{
+
+data(NetoTb7A.5)
+str(NetoTb7A.5)
+
+library(car)
+
+scatterplotMatrix(NetoTb7A.5, pch = 20, cex.labels = 1.25) 
+
+
+}
+\keyword{DBC}
+