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		Products >> Scintillators >> Liquid Scincillators

Liquid Scincillators

Liquid scintillators are used for the detection of alpha-, beta-, gamma- and neutron radiation and for pulse shape discrimination applications (PSD). Due to a large content of hydrogen atoms in such scintillators, the fast neutrons can be detected with high efficiency. The introduction of organometallic additives makes it possible to improve the efficiency of slow neutron detection. Liquid scintillators have a short decay time. Fast liquid scintillators can be effectively used to detect high-intensity radiation flows and determine the radiation scintillators interaction coordinates. Since liquid scintillators are transparent to their own radiation, they can be used as large tanks. To increase their light yield, liquid scintillators can be deoxidized by blowing an inert gas, such as nitrogen. They can be molded to various shapes according to the shape of detectors, and a radiation source can be placed within the scintillator. Liquid scintillators are suitable for the detection of ¹⁴C and tritium in biological objects and aqueous medium. Liquid scintillators have a low cost.

Selector Guide for Liquid Scintillators

Scintill ators	g Ray	Fast n	Slow n	PSD	Tanks	High Flash Point	Loa ding	Water soluble	Comments	Analogies


LS-5	+	.	.	.	.	+	.	.	Detection of all types of ionization beams	None


LS-17	+	.	.	.	.	.	.	.	Detection of all types of ionization beams	BC-505


LS-8	.	.	.	.	.	.	.	+	Short-track beams registration at small aqueous samples	NE 220


LS-11	.	.	.	.	.	+	.	+	Gel scintillator	NE 221


LS-13	+	+	.	+	.	+	.	.	Neutrons detection on the intensive gamma background	NE 213A, BC-501A, NE 213, BC-519


LS-17N	+	+	.	+	.	.	.	.	Neutrons detection on the intensive gamma background	NE 213A, BC-501A, NE 213, BC-519


LS-19A	+	+	.	.	.	+	.	.	Neutrons detection on the intensive gamma background	NE 213A, BC-501A, NE 213, BC-519


LS-52	+	+	.	+	.	+	.	.	"Hydrogen-free"	NE 226, BC-509


LS-58	.	+	+	.	+	+	0.5%Gd	.	Neutron spectrometry	NE 343, BC-525, NE 312


LS-59	+	+	.	+	.	+	2.5%Cd	.	Neutron spectrometry	NE 343, BC-525, NE 312


LS-63	.	.	+	.	.	+	0.5%In	.	Neutron spectrometry	None


LS-61	+	.	.	.	.	+	5%Pb	.	Low energy gamma and X-rays	NE 314, BC-551


LS-62	+	.	.	.	.	+	10%Sn	.	Gamma and X-rays	NE 316, BC-553


LS-67 LS-68 LS-70	+	.	.	.	.	.	.	.	Fast scintillator for detection of high intensity radiation	None


LS-84	.	.	.	.	.	+	.	+	Short-track particles detection in aqueous media	Unisolve I (Koch-Light)


LS-97 LS-98	+	.	.	.	+	+	.	.	Low cost, mineral oil base	NE 235, BC-517H, NE 236, BC-517P

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Physical Properties of Liquid Scintillators

Scintill ators	Density [g/cm³]	Refrac tive index	Boiling point, ^oC	Flash point, ^oC	Light output % stilbene	Wave length of maxi mum emiss ion, nm	Decay time, ns	C Atoms per cm³ x 10²²	Ratio of H/C atoms


LS-5	1.02	1.616	245	106	70	445	-	4.75	0.89


LS-8	1.034	1.42	105	-10	70	390	-	-	-


LS-11	-	1.62	245	106	75	390	-	-	-


LS-13	1.02	1.616	245	106	80	400	-	4.75	0.89


LS-17	0.86	1.494	139	29	85	365	-	3.90	1.25


LS-17N	0.874	1.505	-	24	65	395	-	3.90	1.25


LS-19A	0.8-0.9	-	>300	>120	45	400	-	-	-


LS-52	1.61	1.377	80	>none	25/35^*	390	-	3.14	0.99 (F/C)


LS-58	1.016	1.62	245	106	70	390	-	-	-


LS-59	1.016	1.62	245	106	45	390	-	-	-


LS-61	1.016	1.62	245	106	55	390	-	-	-


LS-62	1.016	1.62	245	106	70	390	-	-	-


LS-63	1.016	1.62	245	106	70	390	-	-	-


LS-67	0.87	1.497	111	5	35	395	0.67	3.97	1.14


LS-68	0.87	1.497	111	5	45	395	0.60	3.97	1.14


LS-70	0.87	1.497	111	5	30	380	0.44	3.97	1.14


LS-84	-	1.547	-	-	45	420	-	-	-


LS-97	0.77	-	230-330	>65	50/60^*	390	-	-	-

* Saturated with Nitrogen

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