6020CLPM9 INT STD SOLN, 125mL 5190-8375 CGPR1-30ML

CGPR1-30ML

add HF and then fume off silica by adding H2SO4 and heat to SO3 fumes - dense white fumes)

Chemical Form in Solution:  Ho(OH)x(H2O)y+3-x

1000ug/mL PLATINUM HNO3 30mL

where simply measuring the total amount of an element is insufficient

6020CLPM9 INT STD SOLN, 125mL 5190-8375 CGPR1-30MLDescription Intended use Internal standard solution for use with EPA method 6020 Read more Internal standards can significantly improve the accuracy of the analytical data, as an internal standard provides a reference that can be used to correct for variability between the calibration standards and the samples. The most common example is correcting for matrix differences between the calibration standards and samples, and the key criteria for using an