is beta hCG testing a analytic technique? why or why not?

Q: Br Br Br Br D E 100 m/z Intensity 39.0 5.6 MS-NU-2671 50.0 2.1 3.1 51.0 63.0 65.0 80 5.0 12.2 89.0…

A: Mass spectrum is the technique used in analytical chemistry for the separation of ions based on the…

Q: Would you say that all organic compounds give evidence of containing carbon when they are burned or…

A: All organic compounds are hydrocarbons Or their derivatives for example CH4 is a hydrocarbon and…

Q: general mechanism of electron ionization

A: 1 Electron ionisation is a part of mass spectroscopy. 2. the key points here are Analyte…

Q: For the adsorption of a substance A from aqueous solution by charcoal at 25C, the Freundlich…

A:

Q: Why BH 3-THF not BH 3 is used in the experiment? Plz do Asap....!

A: First, let's discuss the given reagents. The reagent BH3 THF is used for the hydroboration purpose.…

Q: Consider the extraction of UO22+ ions from pregnant solution which contains Pb2+, K+, Na+, and Ca2+…

A: A question based on analytical separation that is to be accomplished.

Q: You obtained the following raw data when setting up a Bradford standard curve:   BSA (mg/ml)…

A: First, we have to find the corrected absorbance values by subtracting the absorbance of each value…

Q: A general expression for Alpha values Consider a 1.64 M solution of Phtalic acid C6H4 (CO2H)2…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: The maximum safe [Ba2+]=1.5x10-5M. Maintaining 1.0x10-3M levels for each of the anions below would…

A: Given: Maximum safe concentration of Ba2+ = 1.5 × 10-5 M. And the concentration of anion = 1.0 ×10-3…

Q: If the instability constant of EDTA is 8.35 x10-22, the stability constant will be ---- O 8.35 x1022…

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Q: Explain the method of finding martensite fraction during SIM ?

A: Martensite is formed in carbon steels by rapid cooling of the austenite form of iron at such a high…

Q: 100 - MS-NU-3528 80 60 40 20 - uluwlwylpwbwwlywu 10 30 40 50 60 70 80 90 100 110 120 m/z Relative…

A: A mass spectrum is an important tool for the determination of the mass of a compound. A mass…

Q: 1. Suggest a reasonable combination of ionization source, mass analyzer, and detector for the…

A: In spectroscopic methods, ionization source creates atomic or molecular ions. A mass analyzer is…

Q: Pure water containing no arsenic was spiked with 0.40 µg arsenate (AsO43) / L. Seven replicate…

A: The given information is represented as follows:

Q: Rel. Abundance -유 uadd 00'L 779620.56 mt= 150 0.0 +0'0 08 091 120 -09 -00- MASS SPECTRUM

A: In Proton NMR: Number of signals = number of sets of protons with different electronic environment…

Q: the background for the experiment (=mechanism)

A: At first KOH abstract the phenolic hydrogen as it is acidic in nature to give corresponding more…

Q: What is the expected throughput if Ra =67packets/minute and Rt = 109packets/minute

A: Expected output =  (Rt - Ra )/ Ra  * 100

Q: For an enzyme reaction followed spectrophotometrically at 340 nm the Vmax was calculated at 0.14…

A: Mass of enzyme in cuvette = 30 ng = 30 X 10-9 g

Q: Formula: 12162 IR My SD

A: chemical shift values are written from spectra

Q: How are analytes usually recovered after SFC or SFE?

A: Step 1 of 1 SFE is supercritical fluid extraction, in which components in a mixture are…

Q: Three large proteins are ionized at the pH at which an electrical FFF separation is carried out.…

A: Field-flow fractionation, (FFF) is a type of separation technique in which field is applied to a…

Q: What is the difference between Mohr and serological pipette?

A: Difference between Mohr and serological pipette is given below.

Q: Briefly discuss two types of GC detectors under the following headings a) Theoretical principle b)…

A: Full form of GC detector is Gas Chromatography. GC detectors are the devices which are used in the…

Q: alpha source was counted for 10 hours at a distance of 2 cm from a detector with an active face area…

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Q: Chemistry Using FTIR to see structure change in quinine after exposing it to light for 2hr seems…

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Q: What are the most common causes for ALT and AST elevations?

A: Chronic alcoholism, drugs, non-alcoholic steatohepatitis (NASH) and chronic hepatitis are the most…

Q: 5-16 is my question.

A: Given: The initial volume of juice is 50.0 mL. The volume of standard vitamin c solution is 1.00 mL.…

Q: Absorbance 2 1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 Acetic anhydride decay at 250 nm • D20 H20 2000…

A: We would check nature of plot and coordinates of axes to determine order .

Q: b) Compound 2 Mass Spec 100- IR 80- 60 - 40- ce 20 - 1 1221 4 84 219 14 2126 1700 LJ6I 20 1156 20 92…

A: The solution of the question is given below:

Q: If the pKa of an acid is 3.7, what is the Kb value of the acid?

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Q: Q1- For a certain gas, the inward flux into atmosphere is 3.1x10 kg/year. If the steady state amount…

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Q: ON i, HNO3, H,SO, ii %23 - AIcı, ii, AICI, RCOCI

A: Two reaction are given, and their product are quite different than our expectation.

Q: DELFIA® (Dissociation Enhanced Lanthanoid Fluorescence Immunoassay) is a time resolved fluorescence…

A: DELFIA is defined as Dissociation-Enhanced Lanthanide Fluorescent Immunoassay which is a…

Q: 3. The Keq for imidazole binding to hemoglobin can be determined from the following linear equation,…

A:

Q: used for?

A: This question is related to x ray techniques.

Q: In a Lineweaver-Burk plot, the presence of a competitive inhibitor will alter: Select ALL that…

A: The answer is given below

Q: Determine the pKa using Henderson-Hasslebach equation. pH = 2.9 For serial dilution method: HCI НЗО…

A: The Henderson-Hasslebach equation is shown below, pH = pKa + log[conjugate base][acid]

Q: Analytes than can be trapped inside Sephadex G-25 (1,000-5000) Cytochrome C (MW=12384) Aprotinin…

A: Sephadex is a bead-formed gel prepared by cross linking dextran with epichlorohydrin. It is supplied…

Q: in the determination of Keq in spectrophotometry, why is it that [KSCN] is lower in the preparation…

A: The equilibrium between Fe3+ and SCN- given as:…

Q: nformation Securit X A ALEKS - Ciapha Dorley - Learn…

A: The rate constant (k) for the reaction is calculated as shown below where r is the initial rate of…

Q: Discuss the application of any three of the following analytical methods for gold, copper and iron…

A: MINERAL EXPLORATION: The process of finding out the traces of any mineralization present in the…

Q: Calculate the iodine number of a tissue sample in Table 1 and describe the source of the sample…

A: Iodine number : it is the measurement of the unsaturation in fat and oil. It is the value of iodine…

Q: A 0.2650 g rock sample of unknowm concentration was dissolved in HCI and diluted to 100.0 mL.…

A: The concentration of added standard Ca is calculated: [Ca] = C1 * V1 / V2 = 2.08 ug / mL * 5 mL /…

Q: Give answer. ASAP

A: Given are two compounds and we will have to draw the lowest energy conformer in newman projection.…

Q: 2. Consider the following experiment. Twenty mL of a 1.00 M HCl solution is added to 100 mL of a…

A: A reaction between 2 mole of hydrochloric acid and a mole of sodium thiosulfate produces 2 mole of…

Q: The concentration of Ba(103)2 in H20 at 30°C (Ksp = 1.25 x 10- Ba (103)2 (s) Ba2+ + 2103 2.37 x 10-4…

A: Solubility product constant is the product of concentration of the dissociated ion raised to the…