YTTRIUM-88

Nuclear-physical characteristics

Decay mode	EC (99,79%) β⁺ (0,21%)
Half-life	106,626 days
Basic energy of gamma and X-rays, keV (quantum yield, %)	KX 14,38 (60,1) ± 511(0,42) 898,042 (93,7) 1836,063 (99,2)
Energy of particles (average), keV	β⁺ 360
Production
Production process:	strontium metal target radiation treatment by a cyclotron
Nuclear reactions:	⁸⁸Sr (p, n) ⁸⁸Y
Reprocessing:	target dissolution, co-precipitation, ion exchange
Product characteristics
Chemical form	Y(III) chloride in 0,1 M HCl
Specific activity	≥ 10 mBq/mg
Radionuclide purity	min. 97 % (87Y ≤ 3 %)
Volumetric activity	≥ 2 mBq/ml
Minimum single-unit package	1 mBq
Maximum single-unit package	15 mBq

Scope of application
Used in medical and biological research activities, various scientific research activities as a radioactive indicator, used for production of standards and calibration sources for radiometric equipment. May be used for dosage estimation in yttrium-90 therapy.

DECAY CHART

Days	Days
		0	1	2	3	4	5	6	7	8	9
	0	1,0000	0,9935	0,9871	0,9807	0,9743	0,9680	0,9618	0,9555	0,9493	0,9432
	10	0,9371	0,9310	0,9250	0,9190	0,9130	0,9071	0,9012	0,8954	0,8896	0,8838
	20	0,8781	0,8724	0,8668	0,8612	0,8556	0,8500	0,8445	0,8391	0,8336	0,8282
	30	0,8229	0,8175	0,8122	0,8070	0,8017	0,7965	0,7914	0,7863	0,7812	0,7761
	40	0,7711	0,7661	0,7611	0,7562	0,7513	0,7464	0,7416	0,7368	0,7320	0,7273
	50	0,7226	0,7179	0,7132	0,7086	0,7040	0,6994	0,6949	0,6904	0,6859	0,6815
	60	0,6771	0,6727	0,6683	0,6640	0,6597	0,6554	0,6512	0,6470	0,6428	0,6386
	70	0,6345	0,6304	0,6263	0,6222	0,6182	0,6142	0,6102	0,6063	0,6023	0,5984
	80	0,5946	0,5907	0,5869	0,5831	0,5793	0,5755	0,5718	0,5681	0,5644	0,5608
	90	0,5571	0,5535	0,5499	0,5464	0,5428	0,5393	0,5358	0,5324	0,5289	0,5255
	100	0,5221	0,5187	0,5153	0,5120	0,5087	0,5054	0,5021	0,4989	0,4956	0,4924
	110	0,4892	0,4861	0,4829	0,4798	0,4767	0,4736	0,4705	0,4675	0,4644	0,4614
	120	0,4584	0,4555	0,4525	0,4496	0,4467	0,4438	0,4409	0,4381	0,4352	0,4324
	130	0,4296	0,4268	0,4240	0,4213	0,4186	0,4159	0,4132	0,4105	0,4078	0,4052
	140	0,4026	0,4000	0,3974	0,3948	0,3922	0,3897	0,3872	0,3847	0,3822	0,3797
	150	0,3772	0,3748	0,3724	0,3699	0,3675	0,3652	0,3628	0,3605	0,3581	0,3558
	160	0,3535	0,3512	0,3489	0,3467	0,3444	0,3422	0,3400	0,3378	0,3356	0,3334
	170	0,3312	0,3291	0,3270	0,3249	0,3227	0,3207	0,3186	0,3165	0,3145	0,3124
	180	0,3104	0,3084	0,3064	0,3044	0,3024	0,3005	0,2985	0,2966	0,2947	0,2928
	190	0,2909	0,2890	0,2871	0,2853	0,2834	0,2816	0,2797	0,2779	0,2761	0,2743