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SST is an integral procedure to be done in every drug product analysis (qualitative or quantitative). USP-(621) Chromatography gives the requirements for SST and acceptance criteria, unless it is specified in the specific USP-Monograph. Getting the results conform SST requirements means that you get the permission to go ahead with analysis the contrary means that some changes must be done within the frame of USP-(621) Chromatography. Normally with SST parameters we understand what is required by USP, EP,BP,JP,DAB, that is: %RSD<2%(5 injections) and %RSD>2%(6 injections), retention factor>2,tailing factor<1.5, selectivity>1 and resolution>1.5. Having such parameters means that system as whole works properly and you can proceed with the analysis.
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What is AUFS in hplc?
absorbance units full scale
Why uracil is used in hplc calibration?
higly unretainable and has high absorption at 260 nm
The two-point touch threshold test serves as a demonstration of?
receptive fields It shows relative nerve density within the parameters of the central nervous system's lateral suppression. Lack of two-point sensitivity most likely reflects damage to the central nervous system, especially so when the one-point threshold is not affected.
What does controlled item for a graph mean?
Controlled items for, say Graphs, are called Parameters.
What are the 4 parameters of complete blood count?
Hb Tlc Dlc Platelet count
Why propyl paraben used in HPLC calibration?
propyl paraben being a stable compound with reproducible chromatographic parameters used as a internal standard for the calibration of the HPLC systems
What are the HPLC Calibration parameters and elaborate it?
1. Flow rate 2. Temp. of column 3. Detector function 4. Resolution
Is hplc chromatography reliable?
"As long as the HPLC system is monitored regularly and the key functions are evaluated by examining the different modules that make up the system, It is considered reliable."
Where can one purchase a Hitachi HPLC system?
There are a few places where one can purchase a Hitachi HPLC system. Some websites which sells these include Hitachi-hta, Absclex, eBay, Jascoinc, and Labcompare.
How do you distinguised np-hplc and rp-hplc?
NP-HPLC is "Normal Phase" HPLC, wherein the solvents used are less polar than the substrate in the HPLC column (e.g. using hexane or dichloromethane with a silica HPLC column). RP-HPLC is "Reverse-Phase" HPLC, wherein the solvents used are more polar than the substrate in the HPLC column (e.g. using Water and Methanol with a octadecylsilane (ODS or C18) column).
Which one is advanced gc or hplc?
HPLC is advanced
What would operational testers use to assess whether a system meets usability reliability and maintainability parameters?
Measures of Suitability (MOSs) are specific, objective measures of how well as system can be maintained and utilized by the end user. They are written and approved by an independent operational test agency. An example of a MOS is: "Aircraft Mean Time Between Failure (MTBF)."
What does Suitability measure that Operational Effectiveness does not?
Degree to which a system can be satisfactorily placed in field use.
Retention time calculation for hplc?
why RT was shifting & how to RT calculation in HPLC
What is C8 and C18?
HPLC columns. (HPLC - High Performance Liquid Chromatography.)
Definition of standard in HPLC?
Answer: HPLC standards are an indispensible tool for analytical HPLC applications. They are used to monitor column performance & calibrate detector response.
How can you check network parameters of the Linux system?
ifconfig
