Liquid Sampling Quiz

What is the recommended material for liquid sampling containers?

• Stainless steel

• Aluminum

• Borosilicate glass (PIREX)

• Plastic

Which type of water is considered as a sample origin for liquid sampling?

• Carbonated water

• Distilled water

• Treated water

• Mineral water

What is the purpose of homogenizing the liquid sample three times?

• To remove impurities

• To increase the sample volume

• To ensure sample consistency

• To change the sample temperature

Which method is used for sampling viscous liquid samples?

• Using a syringe

• Using a pump

• Using a pipette

• Pouring directly into the container

What is the purpose of a Niskin or Kemmerer or Van Dorn Bottle in liquid sampling?

• To sterilize the sample

• To measure temperature

• To collect samples at different depths

• To filter suspended solids

What is the main difference between manual and automatic sampling?

• The sample origin

• The sampling system

• The sampling operator

• The type of container used

What is an important consideration when sampling liquid samples in motion in open systems?

• The sample pH level

• The sample temperature

• The presence of foreign matter

• The color of the liquid

What is the purpose of removing rubber from the tips or nozzles in closed systems?

• To improve sample color

• To change the sample temperature

• To increase sample volume

• To prevent contamination

Which regulation establishes the criteria for the quality of environmental water?

• Real Decreto 670/2013

• Real Decreto 817/2015

• Real Decreto 1341/2007

• Directiva 2006/7/CE

What parameter is important to consider for sampling in open systems under weather conditions?

• Flow rate

• Density differences

• Temperature

• Pressure