differance between L1 and L7 columns
Answers were Sorted based on User's Feedback
Answer / saravanan thangavel
L1 columns coated with octadecyl silane bonded to porous
silica, 3 to 10 µm
where L7 columns coated with ocylsiliane bonded to totally
porous microsilica particles 3 to 10 µm
Is This Answer Correct ? | 18 Yes | 1 No |
Answer / satheesh kumar
USP designed LC Columns as L,L1 denotes-C18 Column,L7
denotes as C8
Is This Answer Correct ? | 12 Yes | 0 No |
Answer / harsh
L1 columns coated with octadecyl silane bonded to porous
silica, 3 to 10 µm
where L7 columns coated with octylsiliane bonded to totally
porous microsilica particles 3 to 10 µm
l1 gives better resolution then l7.
l1 have more carbon loading so good for resolution
Is This Answer Correct ? | 9 Yes | 1 No |
Answer / priyanka.r
According to usp code L1=C18 COLUMN
L7=C8 COLUMN
Is This Answer Correct ? | 8 Yes | 3 No |
Which Pharmacopiea follow calibration of HPLC,GC
in api coa contains only process impurities and in product coa contains degradation impurities?
What is the difference between BD
What is the limit for single maximum impurity limit as per USP??
why potassium dicromate use in calibration of UV VIIBLE SPECTROCOPY ?
How we can identify process related and degradation impurity in single method with short period?
what is the film thickness in ftir
how require to calculate mass balance in related sub?
what r the reasons to get peak telling?
What is difference between" LOD" AND "VACCUME LOD"
what is the concept for adjustment of pH in HPLC buffer solution ? a. Common ion effect b. Counter ion effect and explain me, how we adapt this principles & what is the role of these principles in our method
1 Answers Apex, Pentagon Labs,
if peak get problamatic then what require to do?