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关于过硫酸钠和过硫酸铵之间的区别
来源:http://www.jnjdbc.cn/ 日期:2023-04-06 发布人:admin
过硫酸钠:也叫高硫酸钠。外观是白色晶状粉末,无臭。能溶于水,逐渐分解,潮湿和高温能使分解加速。能被乙醇和银离子分解。20时水中溶解度549g/L。相对密度2.400(堆积密度:0.7)。小致死量(兔,静脉)178mg/kg。
Sodium persulfate: also known as sodium persulfate. The appearance is white crystalline powder, odorless. It is soluble in water and gradually decomposes. Dampness and high temperature can accelerate decomposition. Can be decomposed by ethanol and silver ions. At 20 o'clock, the solubility in water is 549g/L. Relative density 2.400 (bulk density: 0.7). Small lethal dose (rabbit, vein) 178mg/kg.
过硫酸钠处于高氧化态,具有强氧化性,易分解并放出氧和热量的物质。包括含有过氧基的有机物,其本身不一定可燃,但能导致可燃物的燃烧,与松软的粉末状可燃物能组成爆炸性混合物,对热、震动或摩擦较敏感。
Sodium persulfate is a substance that is in a highly oxidizing state, has strong oxidizing properties, and is prone to decomposition and release oxygen and heat. This includes organic compounds containing peroxide groups, which may not necessarily be flammable themselves, but can cause combustion of combustible materials. They can form explosive mixtures with soft powdered combustible materials and are sensitive to heat, vibration, or friction.
过硫酸钠被广泛用于氧化剂;还作用于电池去极剂和聚合反应促进剂。
Sodium persulfate is widely used as an oxidant; It also acts as a battery depolarizer and a polymerization reaction promoter.
过硫酸铵:外观为无色单斜晶体,有时略带浅绿色,有潮解性。为过二硫酸的铵盐。过二硫酸根含有过氧基,是强氧化剂。在120时分解放出氧并生成焦硫酸盐。过二硫酸铵是强氧化剂,可以把Mn2+氧化为MnO4-。电解硫酸氢铵的水溶液即可制得过二硫酸铵。
Ammonium persulfate: Appearing as a colorless monoclinic crystal, sometimes slightly greenish, with deliquescence. It is an ammonium salt of persulfuric acid. Peroxydisulfate contains peroxy groups and is a strong oxidant. At 120 hours, oxygen is liberated and pyrosulfate is generated. Ammonium persulfate is a strong oxidant that can oxidize Mn2+to MnO4-. Ammonium persulfate can be obtained by electrolysis of an aqueous solution of ammonium bisulfate.
过硫酸铵被广泛用作醋酸乙烯、丙烯酸酯等烯类单体乳液聚合的引发剂;还用作脲醛树脂的固化剂,固化速度快;淀粉胶黏剂的助氧化剂,与淀粉成分中的蛋白质反应提高粘接性,参考用量为淀粉的0.2%~0.4%;也用作金属铜表面处理剂。
Ammonium persulfate is widely used as initiator for lotion polymerization of vinyl monomers such as vinyl acetate and acrylate; Also used as a curing agent for urea formaldehyde resin, with fast curing speed; The auxiliary oxidant of starch adhesive reacts with the protein in the starch component to improve adhesion, with a reference dosage of 0.2% to 0.4% of starch; Also used as a surface treatment agent for metallic copper.
在化学工业用作制造过硫酸盐和双氧水的原料,有机高分子聚合时的助聚剂、氯乙烯单体聚合时的引发剂。食品级用作小麦改质剂、啤酒酵母防霉剂。
Used as a raw material for the production of persulfate and hydrogen peroxide in the chemical industry, as a polymerization aid for organic polymer polymerization, and as an initiator for vinyl chloride monomer polymerization. Food grade used as a wheat modifier and beer yeast mold inhibitor.
精萘厂家讲解急救:
Refined naphthalene manufacturer explains first aid:
皮肤接触:立刻脱去污染的衣着,用大量活动净水冲刷至少15分钟。就医。
Skin contact: Immediately remove contaminated clothing and rinse with plenty of active water for at least 15 minutes. Seek medical attention.
眼睛接触:立刻提起眼睑,用大量活动净水或生理盐水彻底冲刷至少15分钟。就医。
Eye contact: Immediately lift the eyelids and thoroughly rinse with plenty of clean water or physiological saline for at least 15 minutes. Seek medical attention.
吸入:迅速脱离现场至空气新鲜处。保持呼吸道通畅。如呼吸难题,给输氧。如呼吸休止,立刻进行人工呼吸。就医。
Inhalation: Quickly remove from the scene to a place with fresh air. Maintain unobstructed respiratory tract. If breathing is difficult, administer oxygen. If breathing stops, immediately perform artificial respiration. Seek medical attention.
食入:用水漱口,给饮牛奶或蛋清。就医。
Ingestion: Rinse mouth with water and drink milk or egg white. Seek medical attention.
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