Column comparison

Your current column and the selected column, shown together.

72%Weighted similarity

5 of 8 scoring criteria are comparable, covering 67% of the total weight. Missing values are excluded.

The percentage includes partial similarity. Green means the recorded values match; red means they differ. The calculation below explains each contribution.

Similarity does not guarantee identical selectivity or performance. Confirm suitability for your method.

✓ Matching values≠ Different values? Missing or unconfirmed
Recorded specifications of the current and selected columns
Property Current columnOrochem Reliasil C8 300P/N R5BE-127 Selected columnLuknova Poro C8-300P/N SH083-2001
VendorOrochem≠ DifferentLuknova≠ Different
ModificationSilica/C8✓ MatchSilica/C8✓ Match
ModeReversed-Phase✓ MatchReversed-Phase✓ Match
Particle Size5.0≠ Different3.0≠ Different
Length50≠ Different10≠ Different
Internal Diameter2.0✓ Match2.0✓ Match
Pore size300✓ Match300✓ Match
Surface Area190? Missing or unconfirmedNot recorded? Missing or unconfirmed
pH stability from2.0✓ Match2.0✓ Match
pH stability to8.5✓ Match8.5✓ Match
BrandReliasil C8 300≠ DifferentPoro C8-300≠ Different
Max PressureNot recorded? Missing or unconfirmed3000? Missing or unconfirmed
Carbon Load, %Not recorded? Missing or unconfirmed4.1? Missing or unconfirmed
EndcappedNot recorded? Missing or unconfirmedYes? Missing or unconfirmed
Operating TemperatureNot recorded? Missing or unconfirmed60? Missing or unconfirmed
Product UsageAmino acids, Peptides, Pharmaceutical molecules≠ DifferentPeptides, Proteins≠ Different

How this similarity score is calculated

Each comparable criterion earns its weight multiplied by its similarity. The sum is divided by the available weight, then multiplied by 100 and rounded. Missing criteria earn no points and add no weight. Vendor, Brand, Mode, length, internal diameter, pressure and temperature do not contribute to this percentage. Mode and Modification determine which families appear in recommendations.

Scroll this table sideways to see both columns and their score contributions. You can also focus the table and use the arrow keys.

Score contributions for the exact two columns
Criterion and methodCurrent columnSelected columnContribution
Modification
Recorded values overlap. Proprietary modifications are capped at 50%; an identical label does not confirm identical chemistry.
Silica/C8Silica/C8100.0% × 25 = 25.00 points
Product Usage
Shared usage values divided by all distinct usage values recorded for these columns.
Amino acids, Peptides, Pharmaceutical moleculesPeptides, Proteins25.0% × 20 = 5.00 points
Carbon Load, %
Numeric closeness, falling to zero at a 50% relative difference.
Not recorded4.1Excluded, missing data
Endcapping
Recorded endcapping values overlap.
Not recordedYesExcluded, missing data
Pore Size
Numeric closeness, falling to zero at a 50% relative difference.
300300100.0% × 10 = 10.00 points
Surface Area
Numeric closeness, falling to zero at a 50% relative difference.
190Not recordedExcluded, missing data
pH Stability
The overlapping pH range divided by the combined pH range.
2.0 to 8.52.0 to 8.5100.0% × 8 = 8.00 points
Particle Size
Numeric closeness, falling to zero at a 20% relative difference.
5.03.00.0% × 4 = 0.00 points

48.00 ÷ 67 × 100 = 72% (rounded).

Advertise With Us

Reach thousands of HPLC scientists and researchers. Fill in your details and our team will contact you shortly.