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DSD acid (4,4 diaminostilbene mono-2,2 bisulfonic acid) ndi mtundu wofunika kwambiri wa utoto, womwe umagwiritsidwa ntchito kwambiri popanga zowunikira za fluorescent, chikasu chozizira cha G mwachindunji, chikasu cholunjika cha R, lalanje la F3G losagwira dzuwa komanso mankhwala oletsa kudya njenjete. COD ndi 6000-8000mg/L, mchere ndi 6%-8%, ndipo mtundu wake ndi nthawi 50,000; zigawo zazikulu za madzi otayidwa ndi mankhwala achilengedwe onunkhira okhala ndi magulu a nitro, amino ndi sulfonic, ndipo chiŵerengero cha BOD ndi COD ndi 0.03 yokha, zomwe zimakhala zovuta kwambiri kuwonongeka.
Ubwino wa madzi ndi kuchuluka kwa madzi a madzi otayira omwe amapanga asidi a DSD ndi okhazikika, koma kuchuluka kwa chromaticity ndi sulfate ndi kwakukulu kwambiri, michere monga N ndi P siilipo, ndipo madzi otayira ali ndi zinthu zoopsa komanso zovulaza, palibe chitsanzo chabwino cha chithandizo ku China. dsd acid ndi phala lachikasu kapena ufa, wosungunuka mu ethanol ndi ether, wosasungunuka m'madzi, wosungunuka mu yankho la alkali. (2) Amasungunuka mosavuta kukhala ofiira, ndipo ali ndi mphamvu ya aromatic acids ndi amines nthawi imodzi.
3) Ubwino wa chinthu ndi chizindikiro chaukadaulo: mtengo wonse wa amino (malinga ndi kuchuluka kwa phala) ≥48%; mtengo wonse wa amino (malinga ndi kuchuluka kwa zitsanzo zouma) ≥95.0%; kuchuluka kwa alkali osasungunuka (ndi kuchuluka kwa phala) ≤0.05%; kuchuluka kwa alkali osasungunuka (ndi kuchuluka kwa ufa) ≤0.08%; benzyl (ndi kuchuluka kwa zitsanzo) ≤0.25% popanga fluorescent whitening agent, ...
Chidule cha organic compound. Dzina lonse ndi 4,4`-diaminostilbene-disulfonic acid. Ingagwiritsidwe ntchito popanga fluorescent whitening agent ndi utoto wina. CAS No.： 81-11-8 Molecular Formula：C14H14N2O6S2 Molecular Weight：370.4008 Quality Index（Specification） Maonekedwe（Maonekedwe）： light yellow powder/light yellow paste （Purity）： ≥95. 0 Packing（Phukusi）： 25 mg/kg.
0 Kupaka (Phukusi): 25kg/40kg/thumba Katundu Wathupi Kulemera kwa Mamolekyu: 370.4, kristalo wachikasu kapena wopepuka wachikasu wokhala ndi hygroscopicity. N'zosavuta kusungunuka mumlengalenga. Mankhwalawa ndi oopsa komanso okwiyitsa khungu, pewani kukhudzana mwachindunji ndi thupi la munthu.
Njira yopangira: Njira yopangira panopa ndi p-nitrotoluene sulfonate yokhala ndi fuming sulfuric acid, kenako imathiridwa ndi madzi, ndipo NTS yolekanitsidwa imathiridwa ndi mpweya pansi pa alkaline, ndipo DNS mu yankho la oxidation imathiridwa ndi mchere, kenako imathiridwa ndi ufa wachitsulo, kenako imathiridwa ndi sulfuric acid. Ufawo umauma ndi kuumitsa. Ufawo umagulitsidwa ngati chinthu chonyowa chogulitsidwa m'nyumba, koma umagulitsidwa ngati ufa wogulitsira malonda apadziko lonse lapansi.
Kampani ya Mit-ivy imapanga makamaka DSD ACID yokhala ndi mphamvu yopangira matani 1,000,000 pachaka, ndipo ili ndi gawo la msika la 97%.

Athena
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