The following is the official introduction of Shimadzu LC-20A high performance liquid chromatograph:

Brief introduction of the instrument:

Shimadzu Prominence LC-20A high performance liquid chromatograph not only enriches the basic performance, but also establishes an integrated management system that highly corresponds to the network requirements, uniformly manages data and devices, realizes the high efficiency of analysis and quickly meets the needs of diversified customers.

Technical parameters:

System controller Prominence CBM-20A / 20Alite.

CBM-20A.
Connectable units: up to 4 infusion units, 1 automatic sampler, 1 column incubator, 2 detectors at most, 1 fraction collector, 2 auxiliary controllers at most.
Number of connection units: 8 (can be increased to 12).
Data buffering: about 1 / 24 hours of analysis (sampling rate 500ms, only when LCsolution is used).

CBM-20Alite.
Connectable units: up to 4 infusion units, 1 automatic sampler (except SIL-10AF/10AP/10A), 1 column incubator, up to 2 detectors, up to 2 auxiliary controllers.
Number of connected units: 5 (including installed units).
Data buffering: about 1 / 24 hours of analysis (sampling rate 500ms, only when LCsolution is used).

Infusion unit Prominence LC-20AD/20AT/20AB.

LC-20AD.
Infusion mode: parallel double plunger.
Plunger capacity: 10ul.
Maximum discharge pressure: 40MPa.
Traffic setting range: 0.0001mL/min-10.0000mL/min.
Flow accuracy: 1% or 2ul / min, which is less than the larger value (0.01mL/min-2mL/min).
Traffic precision: below 0.06% RSD.

LC-20AT.
Infusion mode: series double plunger.
Plunger capacity: main pump head 47ul, auxiliary pump head 23ul.
Maximum discharge pressure: 40MPa.
Traffic setting range: 0.001mL/min-10.000mL/min.
Flow accuracy: 2% or 2uL/min, which is less than the larger value (0.01mL/min-5mL/min).
Traffic precision: below 0.06% RSD.

LC-20AB.
Infusion mode: parallel double plunger (type 2).
Plunger capacity: 10uL.
Maximum discharge pressure: 40MPa.
Traffic setting range: 0.0001mL/min-10.0000mL/min.
Flow accuracy: 1% or 2uL/min, which is less than the larger value (0.01mL/min-2mL/min).
Traffic precision: below 0.06% RSD.

Gradient system.

LC-20AB.
Gradient mode: high pressure mixing.
Number of mixed solvents: 2 liquid.
Precision of mixed concentration: less than 0.1% RSD.

LC-20AD/20AT high voltage GE specification.
Gradient mode: high pressure mixing.
Number of mixed solvents: 2 liquids or 3 liquids.
Precision of mixed concentration: less than 0.1% RSD.

LC-20AD/20AT low voltage GE specification.
Gradient mode: low pressure mixing.
Number of mixed solvents: up to 4 liquids.
Precision of mixed concentration: less than 0.1% RSD.

Ultraviolet visible detector.
Prominence SPD-20A/20AV UV-VIS detector.
Prominence SPD-M20A PDA detector

SPD-20A / SPD-20AV.
Light source: SPD-20A D2 lamp, SPD-20AV D2 lamp, W lamp.
Number of diode elements: none.
Wavelength range: SPD-20A 190nm-700nm, SPD-20AV 190nm-900nm.
Spectral bandwidth gap width: 8nm.
Wavelength accuracy: below 1nm.
Wavelength precision: below 0.1nm.
Noise: ±0.25 × 10-5AU (under specified conditions).
Drift: ±0.5 × 10-4AU/h (under specified conditions).
Linear: 2.5AU (ASTM specification).
Function: 190nm-370nm or 371nm above dual-wavelength detection, proportional chromatogram output, wavelength scanning.
Pool: optical path length: 10mm, capacity: 12mL, withstand voltage: 12MPa.
Pool temperature range: (room temperature + 5) ℃-50 ℃.

SPD-M20A.
Light source: D2 lamp, W lamp.
Number of diode elements: 512.
Wavelength range: 190nm-800nm.
Spectral bandwidth wide gap: 1.2nm (high resolution mode) 8nm (high sensitivity mode).
Wavelength accuracy: below 1nm.
Wavelength precision: below 0.1nm.
Noise: ±0.3 × 10-5AU (under specified conditions).
Drift: ±0.25 × 10-3AU/h (under specified conditions).
Linear: 2.0AU (ASTM specification).
Function: contour output, spectral retrieval, maximum output.
Pool: optical path length: 10mm, capacity: 10ml, withstand voltage: 12MPa.
Pool temperature range: (room temperature + 5) ℃-50 ℃.

Automatic sampler Prominence SIL-20A/20AC.

Sampling mode: full injection, variable injection quantity.
Injection volume setting range: 0.1ul-100ul (standard), 1ul-2.000mL (option).
Number of sample treatments:
175 (1mL sample bottle).
105 (1.5mL sample bottle) (SIL-20AC 70 (1.5mL sample bottle)).
50 (4mL sample bottle).
192 (96-hole MTP 2 blocks).
768 (384-hole MTP 2 blocks).
In addition to the above specifications, 10 1.5mL sample bottles can be used.
Injection accuracy: less than 1%.
Precision of injection volume: less than 0.2 RSD (under specified conditions when 10uL injection).
Cross contamination: below 0.0025% (naphthalene, chlorhexidine).
Number of repeated injections: up to 30 stroke 1 sample.
Needle cleaning: set arbitrarily before and after sample injection.
Sample cooler: SIL-20A without SIL-20AC module cooling and heating, and dehumidification function 4 ℃-40 ℃.


Column incubator Prominence CTO-20A/20AC.

Temperature regulation mode: forced air circulation.
Cooling mode: CTO-20A none, CTO-20AC electronic cooling.
Temperature setting range: 4 ℃-85 ℃.
Temperature control precision: below 0.1 ℃.
Temperature control range: CTO-20A (room temperature + 10) ℃-85 ℃, CTO-20AC (room temperature-10) ℃-85 ℃.
Storage space: W220 × H365 × D95mm.
Receptive instruments: 2 manual injectors, 2 gradient mixers, 2 high pressure flow path switching valves, etc.
Timing program: linear temperature program.
Safety measures: solvent sensor, temperature fuse, upper temperature limit