CWEA Grade I Laboratory Analyst Exam 2023 | Questions with Answers Latest Graded
CWEA Grade I Laboratory Analyst Exam 2023 | Questions with Answers Latest Graded. Visual comparison method - Answer Sample compared to standards using matched nessler tubes - Standards prepared with solution containing cholorplatinate and cobaltous chloride Standard units for color - Answer One unit= color resulting from 1 mg of platinum/L 2 color reporting - Answer True and Apparent True color - Answer Color from dissolved substances, determine using sample treated to remove turbidity Apparent Color - Answer Includes dissolved and suspended solids Conductivity - Answer H2Os capability to pass electrical flow Conductivity of pure water - Answer 0 Units of conductivity - Answer micromhos/cm Temperature conductivity should be read at - Answer 25 degrees Celcius How is conductivity affected - Answer Mobility of ions, conductivity is dependent on viscosity Viscosity - Answer A liquids ability to resist flow, higher the viscosity the lower the flow Relationship of temperature and viscosity - Answer Inverse Acid - Answer A compound which liberates hydrogen ions and has a pH below 7. Alkalinity: - Answer The measurement of a sample's capacity to neutralize acid.
Información del documento
- Subido en
- 18 de mayo de 2023
- Número de páginas
- 13
- Escrito en
- 2022/2023
- Tipo
- Examen
- Contiene
- Preguntas y respuestas
