tetrasodium pyrophosphate

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Noun1.tetrasodium pyrophosphate - a sodium salt of pyrophosphoric acid used as a builder in soaps and detergents
builder, detergent builder - a substance added to soaps or detergents to increase their cleansing action
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References in periodicals archive ?
Results indicated that phosphates--disodium phosphate, tetrasodium pyrophosphate and polyphosphate--and sodium citrate improved the heat stability of the beverages during storage.
Cells were collected by centrifugation and lysed in buffer containing 50 mM Tris-HCl (pH 8.0), 1% nonionic detergent IGEPAL CA-630 (Sigma Chemical Company), 20 mM ethylenediaminetetraacetic acid, 150 mmol/L sodium chloride, 1 mmol/L magnesium chloride, 10 mM tetrasodium pyrophosphate, 100 mM sodium fluoride, 2 mM sodium orthovanadate, 10 [micro]g/mL leupeptin, 10 [micro]g/mL aprotinin, and 1 mM phenylmethylsulfonyl fluoride.
Roots were washed in a solution of tetrasodium pyrophosphate ([Na.sub.2][O.sub.7][P.sub.2], concentration: 270 g/100 liters), to facilitate removal of soil particles, and then rinsed in tap water to remove salts.