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Chemical reagent ammonia 1606

2022-03-02 347

Molecular formula:NHthree·Htw oO

Molecular w eight:threefive.0five

nature Quality:氨水是氨氣的水溶液,無色透明且具有刺激nature氣味。由氨氣通入水中制得。氨氣有毒,對眼、鼻、皮膚有刺激nature和腐蝕nature,能使人窒息,空氣中最高容許濃度three0mg/m^three。main要use作化肥。試劑氨水為含氨tw ofive% ~tw o8% 的水溶液,氨水中僅有一小部分氨分子與水反應形成ammonium離子和氫氧根離子,即一水合ammonium,是僅存在于氨水中的弱堿。氨水凝固點與氨濃度有關,常use的(w t)tw ofive% 濃度凝固點約為-threefive℃,密度09one。與酸中和反應產生熱。有燃燒爆炸危險。Chemical Abstracts NoCAS NO:onethreethreesix-tw oone-sixThis product is a dangerous chemical8.tw o類堿nature腐蝕nature物品。

use Way:main要use于毛紡、絲綢、印染等工業(yè)use于洗滌羊毛、呢絨、坯布,溶解和調整酸堿度,并作為助染劑等。 有機工業(yè)use作胺化劑,生產熱固nature酚醛樹脂的催化劑,無機工業(yè)use于制選各種ammoniumS alt. stayPCBindustry,Ammonia etching、圖像顯影等use途。

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

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個月。