Ucoceko oluphezulu 4,4′-Diaminostibene-2,2′-disulfonic acid,CAS:81-11-8 Ikhowudi ye-EINECS 201-325-2
Isicelo
I-4,4'-Diamino-2,2'-stilbenedisulfonic acid powder ingahanjiswa nge-courier, umoya okanye ngolwandle.
Nge-1 ~ 100kg, sincoma ukuba siyithumele nge-courier, ekhawuleza kakhulu kwaye ilungele ngakumbi.Yintoni egqithisile, .Kwaye iimpahla zazinokuhanjiswa umnyango ngendlu.
Ngaphezulu kwe-100kg, iimpahla zinokuthunyelwa ngomoya okanye ngolwandle, kwaye kuxhomekeke kuwe.Kodwa siya kubonelela ngezisombululo ezigqibeleleyo kwireferensi yakho.
4,4'-Diamino-2,2'-stilbenedisulfonic acid 81-11-84,4'-Diamino-2,2'-stilbenedisulfonic acid 81-11-8
Ukuba ungathanda ukuthenga i-Diaminostilbene-2,2'-disulfonic acid okanye ucele isampuli ye-81-11-8, kodwa usenemibuzo malunga nayo.Ayinamsebenzi lonto.Ungayifumana impendulo engezantsi okanye uzive ukhululekile ukuqhagamshelana nathi ngayo nayiphi na eminye imibuzo.Pls cofa apha ngakumbi...4,4'-Diamino-2,2'-stilbenedisulfonic acid 81-11-8
Njengomvelisi oyintloko we-4,4'-Diamino-2,2'-stilbenedisulfonic acid / Diaminostilbene-2,2'-disulfonic acid, sinembali emfutshane, kodwa sinesimo sezixhobo zobugcisa kunye namaqela e-R & D.
Ukupakisha: 25kg / iidramu zekhadibhodi
Sinokupakisha ngokwesicelo somthengi, kungenjalo siya kupakisha njengefektri yethu.
Njengokuthumela sinokusebenzisa i-DHL/ EMS/ TNT/ FedEx/USPS okanye ngokwesicelo sakho.
NgeCourier | NgoMoya | Ngaselwandle |
≤50kg | 50kg-500kg | ≥500kgs |
Iintsuku ezi-3-7 | 1-2 iveki | 2-3 iiveki |
Umnyango ukuya emnyango | Isikhululo seenqwelomoya ukuya kwisikhululo seenqwelomoya | Izibuko ukuya eSeaport |
Kulula ukufumana iimveliso | Kufuneka wenze uCwangciso lweSiko | Kufuneka wenze uCwangciso lweSiko |
Iinkcukacha eziKhawulezayo
Iinkcazelo ngeempawu
Into | Iinkcukacha |
Indawo yokunyibilika | 300 °C |
ukuxinana | 1.4732 (uqikelelo olurhabaxa) |
isalathiso se-refractive | 1.6510 (uqikelelo) |
ixesha lokugcina. | -20°C Isikhenkcisi |
ifomu | Umgubo weCrystalline |
umbala | I-Cream ukuya kwi-yellow-brown |
Ukunyibilika kwamanzi | <0.1 g/100 mL ku-23 ºC |
Into | Iimveliso ezifumileyo | Iimveliso ezomileyo |
Imbonakalo | Intlama etyheli ekhanyayo | Umgubo otyheli okhanyayo |
Umbala weGardner ≤ | 10 | 9 |
Lilonke ixabiso le-Amino≥ | 54% | 95% |
Izinto ezinganyibilikiyo≤ | 0.05% | 0.08% |
I-Benzyl Matter≤ | 0.25% | 0.25% |
Fe (ppm)≤ | 50 | 60 |
Ixesha lokuthumela ngenqanawa ngoLwandle (Ekuphela kwereferensi) | ||||||||
amantla Emelika | 11 ~ 30 iintsuku | UMntla Afrika | 20 ~ 40 iintsuku | IYurophu | 22 ~ 45 iintsuku | UMzantsi-mpuma Asia | 7-10 iintsuku | |
amazantsi Emelika | 25 ~ 35 iintsuku | eNtshona Afrika | 30 ~ 60 iintsuku | Phakathi empuma | 15 ~ 30 iintsuku | EMpuma Asia | 2 ~ 3 iintsuku | |
kuMbindi Merika | 20 ~ 35 iintsuku | EestAfrica | 23 ~ 30 iintsuku | e-Ocenia | 15 ~ 20 iintsuku | EMzantsi Asia | 10 ~ 25 iintsuku |
I-Q1: Ngaba umenzi okanye inkampani yokurhweba?
A: Singumenzi.Wamkelekile ukuba undwendwele umzi-mveliso wethu.
Q2: Ungaqhagamshelana njani nathi?
A: Cofa u-"Qhagamshelana noMboneleli", usithumelele umyalezo, uya kufumana impendulo kwiiyure ezingama-24.
Q3: Loluphi uhlobo lwemigaqo yentlawulo owamkelayo?
IMPENDULO: Ngeodolo yezambuku, ungabhatala kwiakhawunti yebhanki yenkampani yethu.
Q4:Ngaba ungandinika isaphulelo sexabiso?
A: Ngokuqinisekileyo, kuxhomekeke kubuninzi bakho.
Q5: Ndingayifumana njani isampuli?
A: Unokuxoxa nathi, sihlala sithumela isampuli nge-FEDEX, DHL, EMS.
Iisampulu ezimbalwa zisimahla kodwa kufuneka uhlawule iindleko zokuthumela.
I-Q6: Indlela yokuqinisekisa uMgangatho weMveliso ngaphambi kokubeka ii-odolo?
A: Ungafumana isampulu, okanye singakuthumelela isatifikethi sohlalutyo okanye i-HPLC okanye i-NMR kuwe.
I-Q7: Ndingayenza njani intlawulo ikhuseleke?
A: Yonke intengiselwano iphantsi kokuhlolwa kwe-Alibaba (iqela lesithathu).
I-Q8: Ngaba kunokwenzeka ukwenza ngokwesiko iilebhile ngoyilo lwethu?
A: Ewe, vele usithumelele imisebenzi yakho yobugcisa, uya kuyifumana le nto uyifunayo.