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What else can I help you with?
How can you be tested for alcohol?
Testing for alcohol can be performed with an alcohol breath machine, with a sample of blood drawn, with a sample of urine, with a sample of mouth fluid, or with a sample of sweat.
Why to analyze formaldehyde by using 412 nm in the Uv-Vis?
Formaldehyde absorbs light most strongly at a wavelength of around 412 nm due to its electronic structure. By using 412 nm in UV-Vis analysis, we can employ the maximum absorbance of formaldehyde to accurately quantify its concentration in a sample. This wavelength is chosen based on the specific molecular properties of formaldehyde that enable it to interact with light most effectively.
What is Passing a slide sample through a flame is called?
Passing a slide sample through a flame is known as heat-fixing. This process helps to adhere the specimen to the slide and kills any living organisms present, readying it for staining.
What will happen if too much heat is applied while heat fixing a slide?
Applying too much heat while heat fixing a slide can cause the sample to dry out too quickly, leading to distortion or loss of cellular structures. Additionally, excessive heat can cause the slide to crack or shatter, ruining the sample. It is important to use gentle heat when fixing slides to ensure optimal preservation of the sample.
How do they test for alcohol in an autopsy?
Usually through a blood alcohol test based on drawing a sample of blood.
Does alcohol show up in a medical stool sample?
yes
How many hours does alcohol stay in urine sample?
Alcohol can typically be detected in a urine sample for up to 12-48 hours after consumption, depending on factors such as the amount consumed and individual metabolism.
What is the second part of a skin biopsy?
The second part of the skin biopsy test is handling and examining the tissue sample. Drying and structural damage to the tissue sample must be prevented, so it should be placed immediately in an appropriate preservative, such as formaldehyde.
Can a urine sample prove alcohol consumption from a diabetic?
Yes. No problem.
Why is formaldehyde or formalin used in formol titration procedure?
Formaldehyde or formalin is used in formol titration procedure as a titrant because it reacts with the substances being titrated and forms a colored complex that can be easily detected. This complex formation allows for a precise determination of the concentration of the analyte in the sample being tested.
What is the purpose of fixing the smear?
Heat fixing a smear kills the bacteria with minimal distortion, allows for better staining, and firmly affixes the bacteria to the slide. Chemical fixing is used to preserve fine cellular structures and might stop internal processes in place, protect the cell from damage, or strengthen the cell's structure.
What is the procedure for determining the percentage purity of amino acid sample by sorenson formol titration method?
prepare about 1 to 1.5% solution of amino acid in 100 ml volumetric flask take 10 ml of the sample (amino acid) solution into 250 ml conical flask add phenophtalien indicator and titrate it against 0.1N standard NaOH when pink color appear stop the titration and add formalin untill the pink color disappear again titarte it with standard NaOH till the pink color reappear.
