We do not offer international shipping to countries within the European Union
We can only ship non-hazardous products to Rest of World
Compare all Pack Sizes
We can only ship to Northern Ireland where a Royal Mail postal option has been chosen at checkout.
We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.
AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE
FOOD GRADE
Confirms to USP,BP,EP and FCC
Minimum Assay: 99-100.5%
Molecular Formula: K3C6H5O7•H2O
Molecular Weight: 324.42 (306.41anhy)
Melting Point: 230 deg C
pH: 7.5-9
Sodium (Na): <3000ppm
Chloride (cl): <50ppm
Acidity/Alkalinity: Passes Test
Heavy Metals (as Pb): <5ppm
Arsenic (As): <0.5ppm
Loss on drying: 4-6%
Lead (Pb): <0.5ppm
Clarity: Passes Test
Oxalates: <100ppm
Tartrate: Passes Test
Mercury (Hg): <0.1ppm
Iron (Fe): <5ppm
Sulphate (SO4): <150ppm
Colour: Passes Test
Hazard Phrases: Not considered harmful under normal laboratory conditions
We can also accept a bank transfer (UK Only)