sodium hypophosphite


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sodium hypophosphite

[′sōd·ē·əm ¦hī·pō′fä‚sfīt]
(inorganic chemistry)
NaH2PO2·H2O Colorless, pearly, water-soluble crystalline plates or a white, granular powder; used in medicine and electroless nickel plating of plastic and metal.
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Result of sensory panel test indicated that most people preferred the products with added sodium hypophosphite.
The reaction with the cellulose substrate proceeds ester crosslinking catalyzed by sodium hypophosphite.
The first three parameters are coating parameters, namely, concentration of nickel sulphate, concentration of sodium hypophosphite solution, and concentration of copper sulphate solution; the fourth one is the postdeposition heat treatment temperature.
Before the start of the bath, analyze the nickel content and add required nickel chloride solution, sodium hypophosphite solution, adjust pH and start the dummy to plate.
In general, in an EN plating solution containing sodium hypophosphite as the reducing agent, the overall reaction can be expressed as follows (17), (25):
This study examines the catalytic effect of sodium hypophosphite (SHP).
Electroless nickel plating processes are based on the electrochemical reaction between nickel ions in solution and a chemical reducing agent such as sodium hypophosphite.
The process, which uses conventional nickel and sodium hypophosphite solution, is currently being field-tested.
At 3000ppm or at 1000ppm in combination with 40ppm of sodium nitrite, sodium hypophosphite provided antibotulinal protection to meat products which was similar to that provided by 120ppm of nitrite.
Rinsing (with deionized water) RT RT room temperature Table 2: Composition (g/L) and operating conditions of electroless Cu-P and Cu-P-SiC coatings Components in bath Cu-P Cu-P-SiC Copper sulfate (g/L) 8 25 Sodium hypophosphite (g/L) 60 125 Nickel sulfate (g/L) 1 3.