Zinc Sensor Kit, Material for (25) tests and/or calibrations for measurement of Zinc in water, Catalytic DNA sensor for Copper uses a DNAzyme reaction that fluoresces in the presence of the target contaminant
Lead Sensor Kit, Material for (25) tests and/or calibrations for measurement of Uranium in water, Catalytic DNA sensor for Uranium uses a DNAzyme reaction that fluoresces in the presence of the target contaminant
Orbit Nitrogen atom, Nm, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Trigonal bipyramid, Color: Blue
Unit VSEPR Orbital White, Model electron orbital for use with the Unit system to show the theory of VSEPR and electron orbitals, Each pack contains 6 orbitals
Orbit Hydrogen atom, Hb, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Hydrogen bond, Color: White
Orbit Nitrogen atom, Nd, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, 5 ring azo, Color: Blue
Orbit Metal atom, Mq, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, 12 coordinate, Color: Silver
Orbit Carbon atom, Cb, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Allene or Acetylene, Color: Black
Flexible bond, 90mm (double bonding), Packs of ten 90mm flexible bonds to represent double bonding, Use to supplement your Unit building sets or for building custom models
Orbit Nitrogen atom, Nj, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, 6 atom planar ring or Azo, Color: Blue
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