Materials and Processing Science Practical Assignment $1$

$1.$Briefly describe how sampling of wastewater is carried out at the point of collection?

$2.$What precautions should be taken in analyzing water samples from the point of collection to

the laboratory?

$3.$Describe the sample preparation, injection, and analysis of the following instruments in water

quality analysis:

a$)$ Gas Chromatography Mass Spectroscopy analysis

b$)$ Ion Chromatography

c$)$ Atomic absorption spectrometry

d$)pH,$ turbidity, and dissolved solids

e$)$ Chemical oxygen demand

f$)$ Biochemical oxygen demand