Chemical reagent ammonia 1606

2022-03-02 293

Molecular formula:NHthree·Htw oO

Molecular w eight:threefive.0five

nature Quality:氨水是氨气的水溶液,无色透明且具有刺激nature气味。由氨气通入水中制得。氨气有毒,对眼、鼻、皮肤有刺激nature和腐蚀nature,能使人窒息,空气中最高容许浓度three0mg/m^three。main要use作化肥。试剂氨水为含氨tw ofive% ~tw o8% 的水溶液,氨水中仅有一小部分氨分子与水反应形成ammonium离子和氢氧根离子,即一水合ammonium,是仅存在于氨水中的弱碱。氨水凝固点与氨浓度有关,常use的(w t)tw ofive% 浓度凝固点约为-threefive℃,密度09one。与酸中和反应产生热。有燃烧爆炸危险。Chemical Abstracts NoCAS NO:onethreethreesix-tw oone-sixThis product is a dangerous chemical8.tw o类碱nature腐蚀nature物品。

use Way:main要use于毛纺、丝绸、印染等工业use于洗涤羊毛、呢绒、坯布,溶解和调整酸碱度,并作为助染剂等。 有机工业use作胺化剂,生产热固nature酚醛树脂的催化剂,无机工业use于制选各种ammoniumS alt. stayPCBindustryAmmonia etching图像显影等use途。

Product quality:accord w ithcountrystandardGB/T sixthreeone-tw o007,main要finger标如下:

finger S ubject name

Analytical purity

Chemically pure

maincontentNHthree),w %

tw ofive-tw o8

tw ofive-tw o8

Evaporation residue, w %

zero0tw o

000four

chloride(Cl),w %

0,0000five

zero00one

sulfide(S ),w %

zero000tw o

zero00five

sulfate(S Ofour), w %

zero00tw o

0000five

carbonate(COthree), w %

zero0one

zero0tw o

phosphate(POthree), w %

zero00one

zero00tw o

Magnesium(Mg), w %

zero00one

zero00five

Calcium(Ca), w %

zero00one

zero00five

iron (Fe)%

zero000tw o

zero000five

copper(Cu)%

zero000one

zero000tw o

lead(Pb)%

zero000five

zero00one

Reducing potassium permanganate substance (in)O meter)

zero008

zero008


Packing and storage :

Chemical reagent ammonia waterWhat are the packagesfive00ml×tw o0瓶tw o.fiveL×four包Boxed, or as agreed by both parties

Should be stored inCoolIn a dry and ventilated warehouseterm of validityonetw o个月。