Estimated Radioactivity from Sreinite - very strong
Specimen Size Weight/Volume (Sphere) *
Calculated Activity Becquerels (Bq)
Calculated Activity Curies (Ci)
Estimated Activity GR(api)
Estimated Exposure (mRem**)/hr If Held in Hand For One Hour
1000 gm / 5.63 cm
76,950,795
2.08E-03
3,063,514.36
1,007.18
100 gm / 2.61 cm
7,695,080
2.08E-04
306,351.44
100.72
10 gm / 1.21 cm
769,508
2.08E-05
30,635.14
10.07
1 gm / 5.63 mm
76,951
2.08E-06
3,063.51
1.01
0.1 gm / 2.61 mm
7,695
2.08E-07
306.35
0.10
0.01 gm / 1.21 mm
770
2.08E-08
30.64
0.01
0.001 gm / 0.56 mm
77
2.08E-09
3.06
0.00
Weight of pure Sreinite in grams (gm) and Calculated Diameter of a Sphere with a Density of 10.71 gm/cc.*
Goverment Estimate of Average Annual Exposure (
360 mRem)
** Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
Sreinite Classification
Dana Class:
42.04.11.02(42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen