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CWEA LAB ANALYST III CERTIFICATION TEST EXAM (ACTUAL EXAM) WITH QUESTIONS WITH VERY ELABORATED ANSWERS CORRECTRY WELL ORGANIZED LATEST 2024 – 2025 ALREADY GRADED A+ $13.99
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CWEA LAB ANALYST III CERTIFICATION TEST EXAM (ACTUAL EXAM) WITH QUESTIONS WITH VERY ELABORATED ANSWERS CORRECTRY WELL ORGANIZED LATEST 2024 – 2025 ALREADY GRADED A+
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Course
CWEA LAB ANALYST III
Institution
CWEA LAB ANALYST III
CWEA LAB ANALYST III CERTIFICATION TEST EXAM (ACTUAL EXAM) WITH QUESTIONS WITH VERY ELABORATED ANSWERS CORRECTRY WELL ORGANIZED LATEST 2024 – 2025 ALREADY GRADED A+
CWEA LAB ANALYST III CERTIFICATION
TEST EXAM (ACTUAL EXAM) WITH
QUESTIONS WITH VERY ELABORATED
ANSWERS CORRECTRY WELL ORGANIZED
LATEST 2024 – 2025 ALREADY GRADED A+
Cyanide - Bottle, Preservation, Hold Time - ANSWERS-amber plastic/glass,
absorbic acid(dechlor) NaOH pH>11, 14 days
DOC - Bottle, Preservation, Hold Time - ANSWERS-glass/voa, filter & pH<2 H3PO4,
28 days
HAA - Bottle, Preservation, Hold Time - ANSWERS-amber glass, ammonium
chloride, 14 days
Hardness - Bottle, Preservation, Hold Time - ANSWERS-plastic/glass, pH<2 HNO3,
6 mo
, In the cyanide determination, which one of the following is not an interference? -
ANSWERS-Halogenated aromatics
Which of the following is not a major interference in phenol determination? -
ANSWERS-Hydroxy derivatives of benzene
A freshly prepared sodium hydroxide (NaOH) solution is standardized against
primary standard potassium acid phthalate (KHC8H4O4). 0.8000 grams of
potassium acid phthalate was dissolved into 50 mL CO2-free water. 2-3 drops of
phenolphthalein were added. The sample was titrated to a faint pink endpoint
with 22 mLs sodium hydroxide. What is the normality of the sodium hydroxide? -
ANSWERS-0.178 N
What does COLOR measure? - ANSWERS-Amount of color units (CU) in a sample.
Color caused by natural metallic ions (Fe & Mg) & industrial wastes.
What is the test summary for COLOR? - ANSWERS-Sample -> Tubes -> Compare to
color standards over light source
Which of the following techniques is used to isolate anionic surfactants (as MBAS)
from the sample matrix? - ANSWERS-Extraction
What does an ICP source consist of? - ANSWERS-A flowing stream of argon gas
ionized by an applied radio frequency
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