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Specifications
White powder; Relative density 1.86; Soluble in water and insoluble in ethanol
Properties:
White powder; Relative density 1.86; Soluble in water and insoluble in ethanol; If its aqueous solution is heated together with diluted inorganic acid, it will be hydrolyzed into phosphoric acid; It is hydroscopic, and when absorbing humidity it will become into a product with hexa-hydrates; If it is heated at a temperature above 220° C, it will be decomposed into sodium meta phosphate.
Uses:
As a leavening agent it is applied to roast foodstuffs to control the fermentation speed; When applied to instant noodles, it can shorten water resetting time and avoid stickiness and mushiness of the noodles; When applied to crackers or cakes, it may shorten fermentation time, lower the breakage, make the porous space in good order and therefore lengthen the shelf life.
Packing and storage:
Packed in 25 kg net WPP/PE bags. It must be stored in places well ventilated and dry.
Items
| Spec
| Typical Analysis
|
Assay (as Na4P2O7),%
| 95.0Min
| 97.4
|
P 2 O 5,%
| 52.5-54.0
| 53.2
|
pH Value (1%)
| 9.8-10.8
| 10.3
|
Arsenic ( As ),mg/kg
| 1.0Max
| 0.15
|
Fluoride ( F ),mg/kg
| 10.0Max
| 5.0
|
Cadmium (Cd) ,mg/kg
| 1.0Max
| 0.02
|
Mercury (Hg),mg/kg
| 1.0Max
| 0.02
|
Lead ( Pb ),mg/kg
| 1.0Max
| 0.2
|
Water insoluble,%
| 0.2Max
| 0.05
|
Loss on Ignition(105 °C, 4 hours then 550°C 30 minutes),%
| 0.5Max
| Pass
|