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7320-34-5
bosschemical
7320-34-5
Test items | Standards | Test results | Eligibility |
Appearance: | white powder | Qualified | Qualified |
Orthophosphate: | ≤2.5 | 2.42 | Qualified |
Potassium pyrophosphate(K₄P₂O₇)%: | ≥98 | 98.75 | Qualified |
Potassium oxide (K₂O) | ≥56.5 | 57.05 | Qualified |
PH(1%aqueous solution): | 10.5±0.5 | 10.6 | Qualified |
Phosphoric anhydride (P₂O₅) | ≥42.2 | 42.32 | Qualified |
water insoluble %: | ≤0.1 | 0.02 | Qualified |
Dry reduction (110–120℃)% | 0.5 | 0.35 | Qualified |
Heavy Mental(Pb)%: | ≤0.003 | 0.001 | Qualified |
Chlorine(CI)%: | ≤0.01 | 0.01 | Qualified |
Iron(Fe)%: | ≤0.005 | 0.0025 | Qualified |
Conclusion: | Qualified products | ||
1. For Electroplating And Metal Finishing: Tetrapotassium pyrophosphate (TKPP, CAS 7320-34-5) is the standard complexing agent in pyrophosphate copper and other electroplating baths, stabilizing metal ion complexes to support uniform deposition and consistent coating quality in metal finishing.
2. For Detergents And Industrial Cleaning: TKPP acts as a builder, sequestrant and dispersing agent in detergents and metal cleaning formulations, softening water, suspending soils and improving cleaning efficiency in hard water conditions.
3. For Water Treatment And Scale Control: Potassium pyrophosphate works as a sequestrant and scale inhibitor in industrial water systems, helping prevent scale formation and control metal ions in boilers, cooling circuits and process water.
4. For Food Processing And Preservation: As a food additive (INS 450v), potassium pyrophosphate functions as an emulsifier, texturizer and sequestrant in processed foods, supporting stable texture and quality in meat, dairy and other food products.
5. For Industrial And Specialty Applications: TKPP also serves as a buffering and dispersing agent in paints, boiler descaling and surface treatment operations, giving formulators a versatile phosphate salt for diverse industrial processes.
Ultraviolet-Vis Spectrophotometry (UV-Vis)
Infrared Spectroscopy (IR/FTIR)
Atomic Absorption Spectroscopy (AAS)
X-ray Fluorescence Spectroscopy (XRF)
Nuclear Magnetic Resonance Spectroscopy (NMR)
Gas Chromatography (GC)
High Performance Liquid Chromatography (HPLC)
Ion Chromatography (IC)
Thin Layer Chromatography (TLC)
GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination
