PEG-3350
Nkọwapụta ngwaahịa:
Nnwale | Ụkpụrụ |
njirimara | A. Infrared Absorption |
B. Chromatographic Identity | |
Nnwale (na anhydrous ndabere) | 97.0% -103.0% |
Ihe fọdụrụ na mgbanye | ≤0.1% |
Ethylene oxide | ≤1ug/g |
Dioxane | ≤10ug/g |
Ethylene glycol | ≤0.062% |
A na-atụ aro ka a na-akpọ Diethylene Glycol + Ethylene Glycol | ≤0.2% |
Formaldehyde | ≤15ug/g |
Formaldehyde + acetaldehyde | ≤200ug/g |
Nkezi ịdị arọ molekụla | 3015-3685g/mol |
Polydispersity | 90%-110% |
Ọnụ ego Hydroxyl | 30-38 |
Acidity na alkalinity | 4.5-7.5 |
Mkpebi mmiri | ≤1.0% |
Mmechi | Ihe nlele ahụ na-emezu ihe achọrọ nke USP-40 |
Nkọwa ngwaahịa:
A na-eji polyethylene glycol na polyethylene glycol fatty acid esters eme ihe na ụlọ ọrụ ịchọ mma na ụlọ ọrụ ọgwụ. N'ihi na polyethylene glycol nwere ọtụtụ ihe magburu onwe ya: mmiri-soluble, nke na-adịghị agbanwe agbanwe, physiologically inert, dị nro, lubricating, na-eme ka akpụkpọ ahụ dị nro, dị nro, na obi ụtọ mgbe ejiri ya. Enwere ike ịhọrọ polyethylene glycol nwere akụkụ dị iche iche dị iche iche nke molecular iji gbanwee viscosity, hygroscopicity na nhazi nhazi nke ngwaahịa ahụ.
Polyethylene glycol (Mr<2000) na obere molekụla dị arọ dabara adaba maka onye na-ahụ maka wetting na onye na-achịkwa ihe na-agbanwe agbanwe, nke a na-eji na ude, ude mmiri, ntacha eze na ude ịkpụ, wdg, ma dịkwa mma maka ngwaahịa nlekọta ntutu isi na-adịghị ọcha, na-enye ntutu isi na-egbuke egbuke. . Polyethylene glycol nke nwere oke molekụla dị elu (Mr>2000) dabara maka lipstick, osisi deodorant, ncha, ncha afụ ọnụ, ntọala na ịchọ mma mma. Na ndị na-ehicha ihe, a na-ejikwa polyethylene glycol dị ka ihe nkwụsịtụ na ihe na-eme ka ọ dị arọ. Na ụlọ ọrụ na-emepụta ọgwụ, a na-eji dị ka ntọala maka ointments, creams, ointments, lotions na suppositories.
ngwugwu:25kgs/bag ma ọ bụ dị ka ị rịọrọ.
Nchekwa:Chekwaa n'ebe ikuku na-ekpo ọkụ, nke kpọrọ nkụ.
Standardkpụrụ Executive:Ọkọlọtọ mba ụwa.