Can any expert tell me what liquid scintillation analyzer does?

PerkinElmer Tri-Carb 2800TR Liquid Scintillation Analyzer Introduction

Instrument Name

Liquid Scintillation Analyzer

Instrument Model

Tri-Carb 2800TR

Instrument No.

Classification Number

Manufacturer

PerkinElmer

Country

United States

Main Specifications

What is the main purpose of the instrument? 156keV): 95%;

3 、Excellent value (Figure of Merit, E2/B; normal counting mode):

3H (1 to 18.6keV): 180;

14C (4 to 156keV): 380;

4 、Excellent value (Figure of Merit, E2/ B; low level counting mode):

3H (1 to 12.5keV): 300;

14C (14.5 to 97.5keV): 950;

5 、Background:

3H (1 to 18.6keV): 17.3 CPM;

14C (14.5 to 156keV): 24.3 CPM;

6 、Shape: 47cm H x 103cm W x 81cm D;

7 、Weight: 217kg;

8 、Integrated computer control; (256MB RAM, 20GB Hard Disk, 17-inch SVGA

Monitor, CO ROM , 3.5-inch floppy drive).

Instrument Functional Features

1 , computer-controlled benchtop liquid flash analyzer designed to measure small amounts of

alpha, beta, and gamma radioactivity;

2 , using patented Time-Resolved Liquid Flash Counting (TR-LSC) technology, with high sensitivity and low background characteristics;

3 , QuantaSmart software, running on Windows XP environment;

4. High sensitivity counting mode for very low level? sample measurements;

5 、Multi-parameter linear multi-channel analyzer; resolution 1/10 KeV

6 、Spectral counting and data management system;

7 、With fast sample measurement mode;

8 、133Ba low-energy external standard source and tSIE calculations;

9 、Dynamic color-corrected single- and double-labeled activity measurements ( DPM);

10, with quenched standard spectrum;

11, chemiluminescence detection;

12, three-dimensional spectral display;

13, the sample consistency monitoring function;

14, attenuation correction calculations;

Charges

is a radioactive sample operation, strict control, the specific cost please Please negotiate.

Contact Address

Room C105, Comprehensive Laboratory Building

The person in charge of the instrument

Ouyang Mian; Zhang Caihong

Contact Tel

022-23505891

Email Address

zch79@nankai.edu.cn

The equipment configuration is composed of:

This is the first time that the equipment is used in the laboratory.

The main configuration of the equipment:

The equipment includes: detection components (photomultiplier tube detector; conformity, anti-conformity counter; lead shielding body), computer-controlled free access to the bidirectional sample changer, multi-channel analyzer, data processing system (including measurement, analysis software) and so on.

Intelligent Portable Radiation Detection Instruments and Detectors

I. Radiagem2000 Mainframe

Radiagem2000 Portable γ Measuring Instrument is a multi-functional multi-probe instrument, with a wide range, real-time measurements, and the ability to display and store a wide range of measurement information, and it has the following features:

1. Measuring the ambient dose rate level

2. Built-in energy-compensated GM tubes to measure the ambient dose equivalent of X and γ radiation, H*(10)

3. Multiple data measurements - dose rate, cumulative dose, start-up time, and maximum dose rate

4. Combined with a variety of detectors, it is suitable for a variety of applications

5. Combined with a variety of detectors, suitable for a variety of applications

5. Small size, light weight, unique streamlined design, easy to carry and handheld

6. 10 editable alarm threshold settings, audible and visual alarms

7. Main performance indicators:

? Dose rate measurement range: 0.3μSv/h ~ 100mSv/h

? Energy range: 30keV ~ 2MeV

? Measurement accuracy: ±10%

? Ambient temperature: -10℃ ~ +50℃; waterproof IP67

Two, SAB100 large-area α/β surface contamination detector

Large-area (100cm2) α/β surface contamination probe, optional α, β and α + β measurement, need to be connected to the Radiagem2000 for use, with the following characteristics:

1. Large area gentle position α/β surface contamination monitoring

2. ZnS(Ag)/Plastic scintillator, no working gas required, plug and play

3. Multiple measurement modes: measuring α; measuring β; measuring α and β at the same time

4. Multiple unit displays: c/s, Bq, Bq/cm 2

5. 10 editable alarm thresholds Settings, audible and display alarms

6. 1000 measurement data storage

PerkinElmer Tri-Carb 2800TR Liquid Scintillation Analyzer Regulations

I. Experiment Appointment System

The use of the orthogonal research-grade fluorescence micrograph system must be booked 3 days in advance (date, time, number of samples) in order to arrange the experiment time. Cancellations should be made at least 1 day in advance, and those who cancel but do not explain in advance will be charged as usual.

Regulations on the Safety Management of Radioactive Laboratories (excerpt)

Article 1: Ordering, Registering, and Storing Radioisotopes

1. Radioisotopes must be ordered with an "Isotope Use License.

2. A specialized unit of the university qualified in the use of radioisotopes shall be responsible for ordering, keeping and registering the use of radioisotopes in the university.

3. It is strictly prohibited to store radioisotopes and flammable, explosive and corrosive substances in the same place, and the storage place must take effective safety measures against fire, theft and leakage, and have a person in charge of storage.

4. It is strictly prohibited to store all kinds of radioactive self-expression of light-sensitive materials, self-expression of specimens and radioactive substances in the same laboratory.

5. Ionizing radiation warning signs used in the preservation of radioisotopes, including the storage of radioactive waste should be hung in the place of special ionizing radiation signs, high activity areas must be installed to protect the safety interlocks and alarm devices or work signals.

Article 2 Use of Radioisotopes

1. The use of radioisotopes must be carried out in qualified laboratories approved and accredited by the higher authorities, and the Experimental Nuclear Medicine Building is equipped with special laboratories for various types of radioisotope experiments. The laboratories implement the responsible person system, and the professional technicians provide technical guidance, and the users must pass the examination to obtain the radioactivity work license issued by the State Ministry of Health.

2. The radioisotope laboratories must be constructed strictly according to the corresponding standards, including high activity area (labeling experiments, storage of radionuclide generators), low activity area, β, γ-ray laboratories, in vitro analysis laboratories, radiography laboratories, teaching laboratories, instrumentation measurement rooms, etc., and all kinds of radioactivity experiments must be carried out in the corresponding laboratories

3. Isotope laboratory procedures:

① during the work must be wearing overalls, gloves, etc., operating under the appropriate protective conditions;

② radionuclide operations need to be carried out on trays containing absorbent paper;

③ the use of volatile reagents to be carried out in a fume hood;

④ operation of the different radionuclides in the corresponding laboratory operation of different radionuclides in the appropriate laboratory;

⑤ experimental process is not allowed to walk between unrelated laboratories;

⑥ in the laboratory is strictly prohibited to drink, eat, smoke, any oral inhalation method of operation or nasal sniffing of radioactive agents;

⑦ work gloves do not touch objects unrelated to the experiments, to prevent contamination;

⑧ the occurrence of radioactive contamination to the laboratory in a timely manner to report to the person in charge of the laboratory and timely cleanup and decontamination;

⑧ the occurrence of radioactive contamination to report to the responsible person And timely cleanup and decontamination;

⑨ Strictly distinguish between radioactive and non-radioactive utensils and equipment, shall not be placed in different contaminated vessels

the same clean pool;

⑩ Experiment is completed, clean up the laboratory supplies, disposal of radioactive wastes, radioactive contamination removal.

Article 3 The use of radioactive special instrumentation

1. The use of radioactive special instrumentation is the responsibility of full-time technical personnel.

2. The user must obtain the radioactive work license issued by the State Ministry of Health through the examination.

3. All kinds of radioactive samples must be prepared and handled in strict accordance with the relevant procedures.

Article 4: Basic requirements for radioisotope experimenters

1. Full-time radioactive workers must be certified by the Ministry of Health of the People's Republic of China.

2. Other personnel required to conduct radioisotope experiments must be trained in the use of radioisotopes, the basic knowledge of the test and have good health conditions.

Article 5 Health Protection of Radioisotope Experiments

1. Radioisotope experiments are conducted in specialized laboratories and special benches that meet the protection requirements.

2. Commonly used personal protective equipments include working clothes, working cap, protective gloves, mask, sleeve cover, working shoes and protective glasses.

3. Strictly observe the laboratory operating procedures.

4. Skin exposed parts of the wound is not healed, should not be engaged in open source operation.

5. Continuously engaged in radioactive operations for more than 1 month should be equipped with a personal dosimeter.

6. Periodic inspection system.

7. surface radioactive contamination removal:

① skin contamination warm soapy water cleaning (32P contamination is strictly prohibited by this method) or 10% ethylenediamine tetraacetic acid solution;

② workplace surface decontamination detergent decontamination;

③ work clothes decontamination such as contamination is not serious, can be used to detergent soak and then cleaned, contaminated with a serious or longer half-life nuclides and is not easy to decontaminate for Nuclides and not easy to decontaminate for radioactive waste disposal;

④ Instruments and equipment decontamination of glass or ceramic ware can be used 3% hydrochloric acid or 10% citric acid immersion water wash, and then soak in potassium dichromate solution for 1 hour. Metal utensils can be used soap, sodium citrate, EDTA sodium salt or appropriate organic solvents scrubbing or ultrasonic machine cleaning.

Article 6 Radioisotope Waste Disposal

1. Classification of Radioactive Waste According to the length of the half-life, the size of the toxicity (see Schedule 3), the waste properties (solid, liquid, gas), different wastes should be strictly differentiated treatment.

2. Long half-life radioactive waste should be stored in designated units and locations, and it is strictly prohibited to dump radioactive waste, such as scintillation fluid, experimental animal carcasses and feces, etc., in the sewers or discarded.

3. Short half-life radioactive waste, such as 32P, 51Cr, 131I, 125I, 45Ca and other solid, liquid, animal carcasses, etc. can be stored in 8 to 10 half-life according to the general waste treatment.

4. Long half-life waste or toxic radioactive waste, such as 3H, 14C, etc. Whether solid or liquid such as scintillation liquid or animal carcasses (animal carcasses should be fixed with formalin) must be sealed in containers, labeled placed in the waste storage room for safekeeping, by the professional radioactive waste disposal agencies to deal with the regular removal.

Three, the use of the instrument regulations

1. The use of the instrument must be carried out under the guidance of the instrument management personnel.

2. According to the instrument host, microcomputer order to boot.

3. The instrument is controlled by microcomputer, and can only be operated by those who master the control software.

4. After the test is completed, analyze the results to ensure that the safety of handling, the implementation of the shutdown procedure.

5. Strictly in accordance with the use of the registration of the use of records, in the management of the agreement before leaving, the use of abnormalities, should immediately notify the management, not to take liberties.

6. Do not disassemble any parts of the instrument at will, and ask the instrument management personnel to operate when necessary.

7. Prohibit the use of samples that may cause damage to the instrument.

4. Charges

Please go to the office of the Life Science Platform (C103, Complex Building) in advance to open an account for prepayment of fees, and consume after the test.

The operation of radioactive samples is strictly regulated, so please negotiate with us for specific fees.

V. Precautions

This instrument is a precision instrument, please follow the correct operating procedures to avoid damage.