Instrument name

Liquid scintillation analyzer

Instrument model

Tricarbohydrate 2800TR

Instrument number

class number

manufacturer

Perkin Elmer

country

United States of America

Main technical indicators of the instrument

1, energy range: 0 ~ 2000 kev

2, efficiency (normal technical way):

3H(0 ~ 18.6 kev):60%；

14C(0 ~ 156 kev):95%；

3. Quality factor (E2/b; Normal counting mode):

3H( 1 ~ 18.6 kev): 180；

14C(4 ~ 156 kev):380；

4. Quality factor (E2/b; Low level counting mode):

3H( 1 ~ 12.5 kev):300；

14C( 14.5 ~ 97.5 kev):950；

5. Background:

3H( 1 ~ 18.6 kev): 17.3 CPM；

14C( 14.5 ~ 156 kev):24.3 CPM；

6. Appearance: height 47cm x 103cm, width x8 1cm, depth;

7. Weight: 217 kg; ;

8. Integrated computer control; (256MB memory, 20GB hard disk, 17 inch SVGA.

Monitor, Colom, 3.5-inch floppy drive).

Functional characteristics of the instrument

1, the desktop liquid scintillation analyzer is controlled by a computer and is specially used for measuring a small amount of liquid scintillation analyzer.

α, β and γ radioactivity;

2. Patented time-resolved liquid scintillation counting technology (TR-LSC) is adopted, with high accuracy.

Sensitivity and low background characteristics;

3.QuantaSmart software, running in Windows XP environment;

4, with high sensitivity counting mode, used for very low level? Sample measurement;

5. Multi-parameter linear multichannel analyzer; Resolution110 kev

6. Spectrum counting and data management system;

7. Measure with rapid samples;

8. 133Ba low-energy external standard source and tSIE calculation;

9. Dynamic color correction single and double standard activity measurement (DPM);

10, equipped with quenching standard spectrum;

1 1, chemiluminescence detection;

12, three-dimensional spectral display;

13, sample consistency monitoring function;

14, attenuation correction calculation;

charging standards

It's radioactive sample operation, strictly controlled. Please discuss the specific cost.

contact address

Room C 105 of comprehensive laboratory building

Instrument controller

Ouyang Wei; Zhang Caihong

Contact number

022-2350589 1

E-mail address

zch79@nankai.edu.cn

Main configuration components of the equipment:

The apparatus includes a detection element (photomultiplier tube detector; Coincidence and anti-coincidence counters; Lead shielding), computer-controlled two-way automatic sampler, multichannel analyzer, data processing system (including measurement and analysis software), etc.

Intelligent portable radiation detector and detector

I. Radiagem2000 mainframe

Radiagem2000 portable γ measuring instrument is a multifunctional multi-probe instrument with wide measuring range and real-time measurement. It can display and store all kinds of measurement information and has the following characteristics:

1. While measuring the level of environmental dose rate, we can also consider monitoring the personal dose of users.

2. Built-in energy compensation GM tube can measure the environmental dose equivalent H*( 10) of X and γ radiation.

3. Measurement of various data-dose rate, cumulative dose, start-up time and maximum dose rate.

4. Combined with various detectors, it is suitable for various applications.

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

6. 10 Editable alarm threshold setting, sound and display alarm.

7. Key performance indicators:

? Dose rate measurement range: 0.3 μ SV/h ~100 msv/h.

? Energy range: 30kev ~ 2mev

? Measurement accuracy: 10%

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

Second, SAB 100 Large Area α/β Surface Pollution Detector

A large area (100cm2)α/β surface pollution probe, which can choose α, β and α+β measurement methods, needs to be connected with Radiagem2000, and has the following characteristics:

1. α/β surface pollution monitoring in a large area and at a mild location.

2.ZnS(Ag)/ plastic scintillator, without working gas, plug and play.

3. Various measuring methods: measuring α; Measure beta; Simultaneous measurement of α and β

4. Multi-unit display: c/s, Bq, Bq/cm 2.

5. 10 Editable alarm threshold setting, sound and display alarm.

6. It can store 1000 measurement data.

Management regulations of PerkinElmer Tri-Carb 2800TR liquid scintillation analyzer

First, try out the appointment system.

Those who use the research-grade fluorescence photomicrography system must make an appointment (date, time, number of samples) three days in advance to arrange the experimental time. Please give an explanation at least 1 day in advance if you cancel the reservation. If the appointment is cancelled but not explained in advance, it will be charged as usual according to the appointment time.

Two. Regulations on Safety Management of Radioactive Laboratories (Excerpt)

Article 1 Ordering, Registration and Storage of Radioisotopes

1. Radioisotopes must be ordered together with the isotope use license.

2. Specialized units with the qualifications for the use of radioactive isotopes in schools are responsible for ordering, storing and registering the use of radioactive isotopes in schools.

3. It is forbidden to store radioactive isotopes and inflammable, explosive and corrosive substances in the same place. The storage place must take effective safety protection measures such as fire prevention, theft prevention and leakage prevention, and a special person is responsible for storage.

4. It is forbidden to store all kinds of autoradiography photosensitive materials, autoradiography specimens and radioactive substances in the same laboratory.

5. Warning signs of ionizing radiation are used in places where radioactive isotopes are stored, including radioactive waste. Special ionizing radiation signs should be hung, and protective safety interlocking and alarm devices or working signals must be installed in high activity areas.

Article 2 Use of Radioisotopes

1. The use of radioisotopes must be carried out in a qualified laboratory approved by the superior, and the experimental nuclear medicine building has a special laboratory to carry out various radioisotope experiments. Each laboratory implements the person-in-charge system, with professional and technical personnel providing technical guidance, and the users must pass the examination and obtain the radiation work certificate issued by the Ministry of Health.

2. Radioisotope laboratories must be built in strict accordance with the corresponding standards, including high activity areas (labeling experiments, radionuclide generator storage), low activity areas, beta and gamma ray laboratories, in vitro analysis laboratories, autoradiography laboratories, teaching laboratories, instrument measurement rooms, etc. All kinds of radioactive experiments must be carried out in corresponding laboratories.

3. Operating procedures for using radioisotopes in the laboratory:

(1) Work clothes and gloves must be worn. During work, and operate under corresponding protective conditions;

② Radionuclide operation should be carried out on a tray filled with absorbent paper;

(3) The use of volatile reagents should be carried out in a fume hood;

④ Operating different radionuclides in corresponding laboratories;

⑤ Don't walk between unrelated laboratories during the experiment;

6. It is forbidden to eat, smoke, operate with your mouth or sniff radioactive preparations in the laboratory;

⑦ Wear work gloves and don't touch anything irrelevant to the experiment to prevent pollution;

8. Radioactive pollution should be reported to the person in charge of the laboratory in time, and cleaned up and decontaminated in time;

Pet-name ruby strictly distinguish between radioactive and non-radioactive instruments and equipment, and different polluting instruments shall not be placed.

In the same cleaning pool;

Attending after the experiment, clean up the experimental supplies, dispose of radioactive waste, and remove radioactive pollution.

Article 3 Use of Special Radioactive Instruments

1. Full-time technicians are responsible for the use of special radioactive instruments and equipment.

2. Users must pass the examination and obtain the radiation work permit issued by the Ministry of Health.

3. The preparation and treatment of various radioactive samples must be carried out in strict accordance with relevant procedures.

Article 4 Basic requirements for radioisotope experimenters

1. Full-time radiation workers must pass the examination and obtain the radiation work permit issued by the Ministry of Health.

2. Other personnel who need to carry out radioisotope experiments must be trained and assessed in the basic knowledge of radioisotope use and have good health conditions.

Article 5 Health protection in radioisotope experiments

1. Radioisotope experiments are carried out in special laboratories and special benches that meet the protection requirements.

2. Common personal protective equipment includes overalls, working caps, protective gloves, masks, sleeves, work shoes and protective glasses.

3. Strictly abide by the laboratory operating procedures.

4. If the wound of the exposed part of the skin is not healed, it is not suitable to engage in open source operation for the time being.

5. Those who have been engaged in radioactive operations continuously 1 month or more shall be equipped with personal dosimeter.

6. Regular inspection system.

7. Remove surface radioactive pollution:

(1) skin pollution should be cleaned with warm soapy water (this method is forbidden for 32P pollution) or 10% EDTA solution;

(2) decontamination of the surface decontamination cleaner in the workplace;

(3) If the pollution of work clothes is not serious, it can be soaked and cleaned with detergent, and radioactive wastes with serious pollution or long half-life can be treated;

④ Decontamination glass or ceramic utensils of instruments and equipment can be soaked and washed with 3% hydrochloric acid or 10% citric acid, and then soaked with potassium dichromate lotion 1 hour. Metal utensils can be scrubbed with soap, sodium citrate, EDTA sodium salt or appropriate organic solvent or cleaned with ultrasonic machine.

Article 6 Disposal of radioisotope waste

1. The classification of radioactive waste is based on the length of half-life, toxicity (see Table 3) and the nature of waste (solid, liquid and gas), and different wastes should be treated strictly separately.

2. Long-half-life radioactive waste should be stored in designated units and places. It is strictly forbidden to pour radioactive wastes such as scintillation liquid, experimental animal carcasses and excreta into sewers or discard them.

3. Radioactive wastes with short half-lives, such as 32P, 5 1Cr, 13 1I, 125I and 45Ca, can be treated as ordinary wastes after a half-life of 8~ 10.

4. Long half-life wastes or highly toxic radioactive wastes, such as 3H, 14C, etc. Whether it is solid or liquid, such as scintillation liquid or animal carcasses (animal carcasses should be fixed with formalin first), they must be sealed in containers, marked and kept in waste storage rooms, and removed regularly by professional radioactive waste treatment institutions.

Third, the instrument use regulations

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

2. Start the machine in the order of instrument host and microcomputer.

This instrument is controlled by a microcomputer, and only those who master the control software can operate it.

4. After the test is completed, analyze the results to ensure safe handling, and then execute the shutdown procedure.

5. In strict accordance with the usage of registration records, with the consent of the management personnel before leaving. If there is any abnormality in use, the management personnel shall be informed immediately, and decisions shall not be made without authorization.

6. Don't disassemble any parts of the instrument at will, and ask the instrument manager to operate it if necessary.

7. It is forbidden to use samples that may damage the instrument.

Fourth, the charging standard

Please open an account at the Life Science Platform Office (C 103) in advance, pay in advance, and consume after testing.

It's radioactive sample operation, strictly controlled. Please discuss the specific cost.

Verb (abbreviation of verb) matters needing attention

This instrument is a precision instrument, please follow the correct operation steps of the instrument to avoid damage.