Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?

3128

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how you determine moist.of NaOH sol or NaOH flacks

2182

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how to mesure a relation of assay by HPLC and purity in results?

2280

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what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?

3623

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How to do regeneration of Metacarb Pb plus column?

2523

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How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain

2341

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EXPLAIN THE CALCULATION PART OF AN KF TITRATOR CALIBRATION WITH SUITABLE EXAMPLE

2578

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WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?

2527

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2266

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what is the relation between Total organic carbon and Chemical Oxygen demand?

2858

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Which form of Sucores is harmfull to humans ?

2248

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can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

2132

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Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?

2138

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what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR

9186

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What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?

8811

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