Referenční materiály
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Reference materials
Reagecon, Standard tvrdosti vody 100 ppm, jako CaMg, 5000 mL
WHSCAMG
Elements:
Ca, Mg
Product Detail
WQB-3, Sediment z jezera Ontario, 100 g
WQB3
Elements:
Al, As, Ba, Ca, Cd, Co, Fe, Hg, Mg, Mn, Pb, Sb, Se, Sn, Sr
Product Detail
WQB-4, Sediment z jezera Ontario, 100 g
WQB4
Elements:
Ag, As, Ba, Ca, Cd, Cr, Cu, Hg, Mg, Mn, Mo, Ni, Pb, Se, Sr, V
Product Detail
WQB-5, Sediment z jezera Ontario, 100 g
WQB5
Elements:
Ag, As, Ba, Ca, Cd, Fe, Hg, Mg, Mn, Mo, Na, Ni, Pb, Sb, Se, Sn, Sr, Tl, U, V
Product Detail
Činidlo pro CHSK, činidlo dle metody č. 1977, 2500ml
WTR50W
Product Detail