SPT Heavy Liquid is a low-toxicity, fully recyclable substitute for brominated organic solvents with a low viscosity and excellent thermal stability. SPT is a highly transparent, yellowish-green solution, available in densities of up to 3.0 g/cm³ and can be configured as a pH-neutral solution.
Sodium Polytungstate (SPT)
Description
Range
SPT-0
Sodium polytungstate as a fine, white powder, particularly low in carbon and nitrogen.
SPT-0L
SPT 0 in liquid form as a ready-to-use solution, extremely high-purity (filtered via glass filters) and available in any density up to 3,0 g/cm³, newly developed.
SPT-1
Sodium polytungstate fine, crystalline
SPT-2
Sodium polytungstate as a granulate with low dust content, less clumping when dissolving
SPT-3
Sodium polytungstate as a ready-made, highly transparent, yellowish-green solution, available in densities of up to 3.0 g/cm³ (standard density: 2.82 g/cm³ ∓ 0.02 g/cm³)
SPT-4
Sodium polytungstate/tungsten carbide suspension (opaque, black), available in densities of 3.2 g/cm³ to 4.6 g/cm³
SPT-5
Sodium polytungstate as a ready-made, highly transparent, light-coloured solution, available in densities of up to 3.0 g/cm³ (standard density: 2.82 g/cm³ ∓ 0.02 g/cm³), highly stabilised for metallic samples
LVP-3 (NEW – pilot phase)
Low Viscosity Polytungstate solution as a transparent, almost colourless ready-to-use liquid, available with density 2.95 g/cm³ ± 0.02g/cm³ and viscosity 15 mPas
AMT-3
Ammonium metatungstate solution ((NH4)6H2W12O40 • xH2O, CAS 12028-48-7 & 12333-11-8) as a transparent, almost colourless ready-to-use liquid, available in any density up to 2.3 g/cm³ ± 0.02g/cm³
