Gamma Spectroscopy

Sample Type

Amount

(200 -500g)

Analysis (Radionuclides)

Natural

Anthropogenic

Bulk materials. (Soil, dust, waste materials)

200 - 500 g

Pb-214, Pb-212, Pb-210, Bi-212, Bi-214, K-40

Cs-137, Cs-134,  I-131, Co-60

Food & Nutrition (crops, meat, seafood, processed food)

1 kg – 1.5 kg

Pb-214, Pb-212, Pb-210, Bi-212, Bi-214, K-40

Cs-137, Cs-134,  I-131, Co-60

Mining materials (Bauxite, Redmud, etc)

1 kg – 1.5 kg

Pb-214, Pb-212, Pb-210, Bi-212, Bi-214, K-40

Cs-137, Cs-134, I-131, Co-60

Building Materials (cement, grout, blocks, bricks)

1 kg – 1.5 kg

Pb-214, Pb-212, Pb-210, Bi-212, Bi-214, K-40

Cs-137, Cs-134,  I-131, Co-60

Energy Dispersive X-ray Fluorescence

Sample Type

Amount of sample required

Analysis (Example of Elements analysed)

Bulk Geological sample

Soil, waste, bauxite, mining materials

20 - 100 g

Mo, Zr, Sr, Pb, Au, Se, As, Hg, Zn, W, Cu, Ni, Co, Fe, Mn, Cr, V, Ca, K, S, Ba, Sb, Sn, Cd, Ag

Plastics, cups, car accessories, plastic bottles, toys

Air particulate matter on filter paper or Suspended solids on filter paper

Mo, Zr, Sr, Pb, Au, Se, As, Hg, Zn, W, Cu, Ni, Co, Fe, Mn, Cr, V, Ca, K, S, Ba, Sb, Sn, Cd, Ag

Scrap metals, alloy, alumina

Mo, Zr, Sr, Pb, Au, Se, As, Hg, Zn, W, Cu, Ni, Co, Fe, Mn, Cr, V, Ca, K, S, Ba, Sb, Sn, Cd, Ag

Consumer Goods, toys, ceramics, furniture

Industrial materials (e.g. cement, glass bottles, etc)

Heavy metals in Foodstuff:

Crops, medicinal plants (e.g. tea and herbs)

Sample Type

Amount of sample required

Analysis (Example of Elements analysed)

Comments

Water (small)

250ml

Rn 224, Rn 222

Water (continuous sample)

-

Rn 224, Rn 222

Air (2month)

-

Rn 224

1 per floor/home

Soil gas

-

Rn 224, Rn 222