A service laboratory developed a testing procedure for the determination of four heavy metals in drinking water. The laboratory considers extending the test scope to cover environmental waters. In this situation, the limits of detection of (LOD) and quantification (LOQ) of the method should only be revised. True or Flase?

A service laboratory developed a testing procedure for the determination of four heavy metals in drinking water. The laboratory considers extending the test scope to cover environmental waters. In this situation, the limits of detection of (LOD) and quantification (LOQ) of the method should only be revised. True or Flase?

Basic Clinical Lab Competencies for Respiratory Care: An Integrated Approach

5th Edition

ISBN:9781285244662

Author:White

Publisher:White

Chapter19: Equipment Processing And Surveillance

Section: Chapter Questions

Problem 6SEPT

See similar textbooks

Similar questions

In a(n) _________ test, the effectiveness of a microbial control agent is compared to that of carbolic acid. Question options: use-dilution in-use Kelsey-Sykes capacity phenol coefficient Entner-Doudoroff algebra
The phenol concentration of wastewater was determined from three (3) parallel determinations, giving a mean of 0.513 μg L-1 and a standard deviation of 0.05 μg L-1. Decide at a risk level of 5% (or a confidence level of 95%) whether a reference value of 0.520 μg L-1 is statistically different.
A) What is an effective method you can used to ensure the accuracy of laboratory results?
To have confidence in chemical analysis, it is crucial to establish means for assessing the dependability of chemical measurement techniques and methods. QUESTION: Provide an explanation of Accuracy & Precision
Define Radionuclide Purity if: t_measurement = 300 s , N1 = 85362 counts, N2 =1278 Counts,I1 =11,7% , I2 =6,55%, ε2 =0,057 and ε1 =0,097
A nurse reconstituted a vial of 750 mg Cefuroxime Sodium Powder for Injection with 6mL of sterile water for injection. The reconstituted solution was dark amber-colored solution. The package insert states that solution colors range from clear to yellow depending on concentration, diluent, and storage conditions. The nurse was then hesitant to give the patient the solution due to its unusual dark color. Five portions were taken from a batch of cefuroxime sodium. Prior to testing in the instrument, each part was subjected to one of the following conditions: Conditions Specifications Temperature Portion 1: 8°C ± 2°C Portion 2: 30°C ± 2°C Portion 3: 40°C ± 2°C Light Portion 4: Kept in the dark Portion 5: Exposed to direct sunlight 1. Which form of the product – the powder for injection, the reconstituted product, or both – will you subject to the following conditions? Why do you think these forms can best address the problem?
make the test principle, materials required for the analysis, sample preparation, test procedure, indication of a positive result, complications/interferences, for nitrous acid test.
In sterilization, which among the supplies, instruments, glassware, etc. under the list of materials can be sterilized using either or both equipment below? List them down. For "autoclaving" For Dry heat oven Can be sterilized only sterilization with either Materials: 200-ml Erlenmeyer flask Stove 500-ml Erlenmeyer flask Autoclave 10-ml graduated cylinder Analytical balance 100-ml graduated cylinder pH meter Spatula Stirring rod 100-ml beaker Test tubes Distilled water Petri dish Stirring rod Alcohol lamp Glass dropper
The EPA, FDA, and others test food and drink for toxicants and contamination. 1)What Toxicant they test for? How they test for the given toxicant? 3) What do the results mean? (is there a healthy range vs. a dangerous range the testing can determine) 4) What these agencies will do or suggest doing to limit or lower contamination levels.
D, Inc., uses three departments to produce a detergent. The Finishing Department is the third and last step before the product is transferred to storage. All materials needed to give the detergent its final composition are added at the beginning of the process in the Finishing Department. The company uses FIFO costing. The following data for the Finishing Department for October have been made available: Production data: In process, October 1 (labor and factory overhead, 75% complete) 10,000 litres Transferred in from preceding department 40,000 litres Finished and transferred to storage 35,000 litres In process, October 31 (labor and factory overhead, 50% complete)15,000 litres Additional data: Work-in-process inventory, October 1: Cost from preceding department $38,000Cost from this department: 21,500 Materials 39,000 Labor 42,000 Factory overhead $140,500 Transferred in during October $140,500Cost added in this department: Materials $70,000Labor 162,500Factory…
1. The Cocaine test device only provides a preliminary qualitative analytical result. The preferred confirmatory method for quantitating the concentration of Cocaine in the specimen is Gas Chromatography/ mass Spectrometry. After performing the screening test for Cocaine, 3 specimens were interpreted as POSITIVE and 10 specimens were interpreted as NEGATIVE. How many specimens will be sent for Confirmatory testing? Why? 2. This symbol was seen on the box containing the test devices for Cocaine. What does it mean? 3. Another symbol was seen on the box containing the test devices for Cocaine. What does it mean?
Provided with the following data, compute the corresponding CFU/ml of the original culture. Assume that spread plate technique was done. Show your solutions. 10-1 10-2 10-3 10-4 10-5 Plate 1 TNTC 340 132 45 19 Plate 2 TNTC TNTC 242 80 25 Plate 3 TNTC 280 90 22 2