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What is the formula for Copper Sulphate for testing for presence of Stainless Steel?
Wiki User
∙ 11y ago
According to ASTM 967, the compound used is CuSO4x5H2O.
Wiki User
∙ 11y ago
The formula for Copper Sulphate is CuSO4. To test for the presence of stainless steel, you can immerse the suspected stainless steel object in a solution of Copper Sulphate. If the object is not stainless steel and contains iron, a red-brown coating of copper will form on the object due to a displacement reaction between iron and copper ions in the solution.
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What is the change in color in testing for the presence of protein in egg albumin using solution sodium hydroxide and copper sulfate?
The change in color when testing for the presence of protein in egg albumin using sodium hydroxide and copper sulfate is from blue to purple. This is due to the formation of a purple-colored complex between the peptide bonds in the protein and the copper ions in the copper sulfate solution.
Why is it more difficult to test for the presence of chloride in organic compounds than in inorganic compounds like HCl?
Testing for chloride in organic compounds is more difficult because organic compounds can contain multiple functional groups and other elements that may interfere with traditional chloride tests. Additionally, the amount of chloride in organic compounds can be lower, making it harder to detect. In contrast, inorganic compounds like HCl contain only chloride ions, simplifying the testing process.
Why did each of the solutions turn iodine blueblack at the start of the experiments?
The presence of starch in the solutions caused them to turn iodine blue-black at the start of the experiments. Iodine forms a dark blue-black complex when it interacts with starch molecules, making it a commonly used indicator to detect the presence of starch in solutions.
Is there always gold in black sand?
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What information can you learn from testing soil samples?
Testing soil samples can provide important information about nutrient levels, pH, organic matter content, soil texture, and presence of contaminants or pollutants. This information is crucial for determining what type of crops will grow best in the soil, what type of fertilizer or amendments are needed, and if remediation is necessary to improve soil quality.
What is the tensile strength of 304 stainless steel vs 316 stainless steel?
According to the Metals Handbook of the American Society of Testing and Materials, 316 Stainless has a tensile strength of 85,000 pounds per square inch.
Do you think Tasting is a good way of testing the presence of acids?
tasting is not a good way of testing the presence of acids because some acids could be corrosive such as the sulphuric acid.
Is the visual field testing is performed to determine the presence of cataracts?
False
Is visual field testing performed to determine the presence of cataracts?
no visual field testing is used to determine peripheral vision losses
Would iodine be effective if testing for the presence of lactose?
No, iodine would not be effective for testing the presence of lactose. Iodine is typically used to detect the presence of starch, not lactose. To test for lactose, you would typically use reagents like Benedict's solution or glucose test strips.
What is the testfor testing demineralized water?
Test parameters of Demierallized water are pH, TDS, Conductivity, Total Hardness (Calcium and Magnesium), Chloride, Sulphate like
Presence of blue or black color indicates the presence of what carbohydrate?
The presence of blue or black color indicates the presence of starch, a complex carbohydrate, when using iodine reagent for testing.
Which laboratory equipment would most likely be used for testing a substance for the presence of monosaccharides?
A polarimeter or a refractometer would most likely be used for testing a substance for the presence of monosaccharides. These instruments can measure the rotation of polarized light or refractive index, which can help identify the presence of monosaccharides in a solution.
Is radon gas testing as important as they say?
Radon is a naturally occurring gas which in high concentrations can be extremely hazardous. So it it better to do the testing if you suspect the presence.
What is the process to chemical testing?
Chemical testing is carried out establish if a specific chemical is present in the sample being tested. The process to chemical testing is the procedure that is followed in order to establish the presence and concentration of a chemical substance.
How do you test for the virus presence?
Testing for virus presence typically involves taking a sample from the individual, such as a swab from the nose or mouth, and analyzing it for the virus's genetic material through a process called RT-PCR. Positive results indicate the presence of the virus, while negative results suggest its absence. Testing protocols and accuracy can vary, so it's important to follow guidelines from health authorities.
What is hair drug testing?
Hair drug testing is one of the important techniques to find presence of drug. Another drug testing includes blood, saliva, urine test etc
