IRRADIATION FACILITY
         
 

There are two kinds of irradiator facilities available at the center i.e. Gamma Irradiator and Electron Beam Machine. Each can be used for laboratory research or pilot scale application in various fields such as polimerization, grafting, mutation induction (plant breeding), sterilization, and surface coating. Gamma irradiator facilities have been operated since 1968, while Electron Beam Machine since 1983. At the moment, four Gamma irradiators are available at the center and all are in good condition. Those irradiators are Gammacell-220, Panoramic Batch Irradiator, Latex Irradiator, and Gamma Chamber 4000-A. Two Electron Beam Machines i.e. EPS-300 type and GJ-2 type are currently available.

Latex Irradiator, the Control Panel

Gammacell-220, Gamma Chamber-4000A) and Panoramic Batch Irradiator are mainly used for laboratory scale researches which require relatively low dose level. Latex irradiator is used for researches requiring relatively high dose level and also for different kinds of pilot scale applications. Meanwhile, Electron Beam Machine is used for researches related to surface coating such as wood coating which requires low energy level (300 Kev). Its medium energy level (2Mev) is usually used for researches related to cable crosslinking and sterilization of goods such as rubber gloves, condoms etc.

Gammacell-220 Gamma Chamber-4000A
 
Panoramic Batch Irradiator, the Control Panel

 

Gamma Irradiator Specifications

 

Gammacell-220

Panoramic Batch

Latex Irradiator

Gamma Chamber-4000 A

Detail

Installation year

1968

1979

1982

1992

 

Radiation source

Co-60

Co-60

Co-60

Co-60

Halflife 5.261 year

Source storage type (Co-60)

Shelf shield/ portable

Dry source storage

Wet source strorage

Shelf shield/ portable

 

Max activity of Co-60 

+ 10.000 Ci

80.000 Ci

400.000 Ci

+ 10.000 Ci

 

Max volume of irradiated sample

2 liter

+ 0,5 m3

+ 1,2 m3

2 liter

 

 

Electron Beam Machine Specifications

No

 

EPS-300 Type

GJ-2 Type

1

Installation year

1984

1994

2

Origin

Nissin High Voltage, Japan

Shanghai Xian-Feng Electrical Manufacturing Work, China

3

Type

Cockroft-Walton

Dynamitron

4

Max tension

300 kV

2000 kV

5

Max energy

300 keV

2000 keV

6

Max flow

50 mA

10 mA

7

Sample transportation

Konveyor

Konveyor

8

Dose range

1 s/d 15 MRad

0.06 s/d 4.8 MR

 

 
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