7601-54-9O=P(O)(O)O.[Na+]AJPJDKMHJJGVTQ-UHFFFAOYSA-N7601-54-9안전 정보는 참고용이며, 공급업체의 물질안전보건자료(SDS), 관련 법규 및 전문가 평가를 대체하지 않습니다.
용도인산 나트륨에 대한 주요 사용은 세척제입니다. 1 % 용액의 pH는 12이고, 용액 그리스 및 오일을 비누화 충분히 알칼리성이다. 계면 활성제와 결합, TSP 세탁에서 콘크리트 진입로에 이르기까지 모든 청소를위한 우수한 에이전트입니다. 이 다양성과 낮은 제조 가격, TSP 20 세기 중반에서 판매 청소 제품의 과다를위한 기초했다. TSP는 여전히 판매 및 정화제로서 사용되지만, 그 사용이 정부의 규제로 인하여 감소했다 1960 년대 후반 (아래 참조). TSP은 탄화수소 잔류물을 제거 하기 위하여 미네랄 영혼으로 청소 후 일반적으로 사용 됩니다. TSP 유해 반응 없이 동일한 솔루션에서 가정용 염소 표 백제와 함께 사용할 수 있습니다. 이 혼합물은 특히 곰 팡이 제거 하기 위한 좋은 하지만 영구적으로 곰 팡이 제거에 효과적 이다. 여전히 일부 변기 청소 정제에있는 유효 성분이지만 그것은 금속을 얼룩 수 그라우트를 손상시킬 수 있기 때문에, TSP는 일반적으로 욕실 청소를 위해 좋지 않다.
개요Trisodium phosphate (TSP) is an inorganic salt used as industrial detergents, metal treatment and in toilet floor cleaners. TSP is pure cleaning power. Used as a water softener; for the treatment of boiler water; as a paint remover; in photographic developers; for tanning leather; for manufacturing paper; for clarifying sugar. Also, it is a common laboratory reagent. Use to dissolve dirt, grease, and mildew from siding, decks, masonry, boats, campers. To prepare surfaces before painting or staining wash with TSP. Trisodium phosphate is an approved food additive in the U.S., European Union and other countries of the world. It may be added to foods and beverages or smoothies and green drinks. The primary function of trisodium phosphate is acidity regulation. It is commonly present in dry, extruded cereals. Together with other phosphates, it modifies cereal color, aids the cereal's flow through the extruder and provides phosphorus fortification. It is also commonly present in cheese sauces as an emulsifier. Trisodium phosphate is a strong chemical and can cause severe eye damage and can burn unprotected skin. Poisoning occurs if you swallow, breathe in, or spill large amounts of this substance on your skin.
용도Trisodium phosphate (TSP) is a cleaning agent, lubricant, food additive, stain remover and degreaser. It is an alkaline cleaning agent that has been used as a household cleaner for many years, but ecological problems have largely ended that practice, at least in the western world. Substitutes are not as effective, but the raw chemical can be bought in bulk to add to other detergents. It works by disrupting the bacterial cell membrane and causing the contents to leak out, though the exact mechanism is not fully elucidated (Oyarzabal, 2005). Trisodium phosphate solutions are approved for treatment of beef carcasses in the US Code of Federal Regulations (21 CFR 182.1778; FDA 2003). By the end of the 20th century, many products that formerly contained TSP were manufactured with TSP substitutes, which consist mainly of sodium carbonate along with various admixtures of nonionic surfactants and a limited percentage of sodium phosphates. TSP is commonly used after cleaning with mineral spirits in order to remove hydrocarbon residues. TSP may be used with household chlorine bleach in the same solution without hazardous reactions. This mixture is particularly good for removing mildew, but is ineffective at permanently removing mold.
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Trisodium phosphate (anhydrous) is a white, granular or crystalline solid, highly soluble in water and produces a strong alkaline solution. On exposure to heat, trisodium phosphate decomposes and produces toxic and corrosive fumes including phosphorous oxides. The major use for trisodium phosphate is as a cleaning agent, food additive, stain remover, and degreaser. Trisodium phosphate of commercial grade is often partially hydrated and ranges from anhydrous trisodium phosphate, Na3PO4, to the dodecahydrate, Na3PO4 · 12H2O. Most often found in white powder form, it is also called trisodium orthophosphate or just plain sodium phosphate. Trisodium phosphate reacts violently with water and acids to liberate heat. Trisodium phosphate is corrosive and in the presence of water attacks many metals. Trisodium phosphate is an approved flux for use in hard soldering joints in medical grade copper plumbing. The flux is applied as a concentrated water solution and dissolves copper oxides at the temperature used in copper brazing. Residues are fully water soluble and can be rinsed out of plumbing before it is put in service. Also, trisodium phosphate is still in vast use for the cleaning, degreasing, and deglossing of walls prior to painting. In fact, application of trisodium phosphate breaks the gloss of oil-based paints and opens the pores of latex-based paint providing a surface better suited for the adhesion of the subsequent layer of paint.
일반 설명Sodium phosphate is a colorless to white crystalline powder or granules. It is prepared by neutralization of phosphoric acid under controlled conditions with sodium hydroxide or sodium carbonate .
Trisodium phosphate may be prepared in two steps, first by adding a little excess of sodium carbonate to phosphoric acid and then boiling the solution to expel carbon dioxide. Sodium hydroxide is then added to the solution: Na2CO3+ H3PO4→Na2HPO4+ CO2+ H2O Na2HPO4+ NaOH →Na3PO4+ H2O Alternatively, trisodium phosphate may be prepared by complete neutralization of phosphoric acid with sodium hydroxide, followed by evaporation and crystallization: H3PO4+ 3NaOH →Na3PO4+ 3H2O
순도시험결정물은 120℃에서 2시간 건조한 다음 200℃에서 5시간 건조한 다음 시험한다. (1) 물불용물 : 이 품목 10g을 「산성피로인산나트륨」의 순도시험 (1)에 따라 시험할 때, 그 양은 0.2% 이하이어야 한다. (2) 액성 : 이 품목 수용액(1→100)의 pH는 11.5~12.5이어야 한다. (3) 비소 : 이 품목을 비소시험법에 따라 시험할 때, 그 양은 4.0ppm 이하이어야 한다. (4) 납 : 「메타인산나트륨」의 순도시험 (2)에 따라 시험한다(4.0ppm 이하). (5) 카드뮴 : 「메타인산나트륨」의 순도시험 (3)에 따라 시험한다(1.0ppm 이하). (6) 수은 : 이 품목을 수은시험법에 따라 시험할 때, 그 양은 1.0ppm 이하이어야 한다. (7) 불소화물 : 이 품목 1g을 정밀히 달아 「구연산칼슘」의 순도시험 (8)에 따라 시험한다(10ppm 이하).
확인시험이 품목의 수용액(1→20)은 확인시험법 중 나트륨염 (가), (나)의 반응 및 인산염의 반응을 나타낸다.
정량법이 품목을 건조한 다음 약 2g을 정밀히 달아 물 50mL에 녹여 약 15℃로 유지하면서 1N 염산으로 적정한다(지시약 : 메틸오렌지․자일렌시아놀 FF시액 3~4방울).1N 염산 1mL = 81.97mg Na3PO4
정의이 품목에는 결정물 및 무수물이 있고, 각각을 제삼인산나트륨(결정) 및 제삼인산나트륨(무수)이라 칭한다.