Buy Phosphotungstic acid Crystal Reagent (12501-23-4) MF: H5O41PW12 | MW: 2880.05. Get High Quality Phosphotungstic acid Crystal Reagent (12501-23-4) from Tristains at Dawnscientific.com
Phosphotungstic Acid, Crystal, Reagent, is a crystal like yellow-green solid that melts at 89°C, has no odor and is water soluble. It is also referred to as tungstophosphoric acid. It has many uses among which are pigments and dyeing, as a catalyst and in histology for specimen staining. Its chemical formula is H3[PW12O40]. phosphotungstic acid can be prepared by the reaction of sodium tungstate (Na2WO4·2H2O) with phosphoric acid (H3PO4) acidified with hydrochloric acid (HCl).
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Applications
- Phosphotungstic acid is used in histology for staining specimens, as a component of phosphotungstic acid haematoxylin, PTAH, and “trichrome” reagents.
- It is used as a fixative.
- It is used as a negative stain for imaging by a transmission electron microscope.
Benefits
- Meet the toughest regulatory standards for quality and purity.
- As a catalyst
- In histology for specimen staining
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