Dimethylacetamide, the full name is N,N-dimethylacetamide (chemical formula: CH3C(O)N(CH3)2 abbreviated as DMAC or DMA. A commonly used aprotic polar solvent. Colorless Transparent liquid, flammable. Can be freely mixed with organic solvents such as water, alcohol, ether, ester, benzene, and aromatic compounds. Used in the preparation of drugs, synthetic resins, and also used as a solvent for polyacrylonitrile spinning and carbon Extractive distillation solvent for the separation of styrene in eight fractions, etc.
A ni ọpọlọpọ awọn ile-iṣelọpọ giga-giga pẹlu ifowosowopo jinlẹ, eyiti o le fun ọ ni awọn ọja to gaju ati awọn idiyele ifigagbaga. Ati pe a tun le fun awọn ẹdinwo fun awọn rira olopobobo.Ati pe a ṣe ifọwọsowọpọ pẹlu ọpọlọpọ awọn ile-iṣẹ gbigbe ẹru ẹru ọjọgbọn, le fi awọn ọja ranṣẹ lailewu ati laisiyonu si ọwọ rẹ. Akoko ifijiṣẹ jẹ nipa awọn ọjọ 3-20 lẹhin ijẹrisi isanwo.
Specifications of dimethylacetamide
|
Chemical fiber grade
|
usp grade
|
Industrial grade
|
||
Chromatographic content
|
(%)≥
|
99.90
|
99.85
|
99.60
|
|
Water content
|
PPm ≤
|
100
|
300
|
300
|
|
Acid content
|
(as HAC)
|
PPm ≤
|
80
|
|
|
Alkali content
|
(as DMA)
|
PPm ≤
|
5
|
10
|
10
|
Iron content
|
PPm ≤
|
0.05
|
/
|
/
|
|
Conductivity
|
(20ºC)
|
μs/cm≤
|
0.5
|
/
|
/
|
PH value (200g / L, 25 ºC)
|
5.5-7.0
|
4.5-7.0
|
5.5-7.0
|
||
Color and lustre
|
Pt-Co≤
|
5
|
10
|
10
|
|
Water %
|
≤0.2
|
GB/T 6283-2008
|
0.063
|
|
|
Acid Assay, ml
|
≤1.67
|
GB 29216-2012
|
1.04
|
|
|
Burning residue %
|
≤0.007
|
GB/T 7531-2008
|
0.006
|
|
|
Pb mg/kg
|
≤1
|
GB/T 5009.75-2003
|
0.000
|
|
|
1. Ṣe o jẹ ile-iṣẹ tabi ile-iṣẹ iṣowo kan?
A jẹ ile-iṣẹ iṣọpọ compnay ati iṣowo, ti n pese iṣẹ iduro kan.OEM le gba.
2. Ṣe o pese awọn ayẹwo? Ṣe o jẹ ọfẹ tabi afikun?
Awọn ayẹwo ọfẹ.Ọya ẹru ọkọ ayẹwo naa nilo lati san nipasẹ ẹgbẹ rẹ.
3. Ṣe o ni awọn iwe-ẹri eyikeyi ti o ni ibatan si iṣakoso didara?
ISO 9001: 2008 iwe-ẹri lati rii daju didara.
4. Kini MO yẹ ki n pese lati gba agbasọ ọrọ kan?
Pls sọ fun wa iru ọja ti o nilo, iwọn ibere, adirẹsi ati awọn ibeere pataki.Itọkasi yoo ṣee ṣe fun itọkasi rẹ ni akoko.
5. Iru ọna sisan wo ni o fẹ? Iru awọn ofin wo ni a gba?
Awọn ofin Ifijiṣẹ ti a gba: FOB, CFR, CIF, EXW;
Ti gba Owo Isanwo:USD;
Ti gba Isanwo Isanwo: T/T,Western Union; Paypal, Iṣowo Iṣowo.
Ede Sọ: Gẹẹsi.
Awọn ẹka ọja