Concering 134a, there is both pharma grade 134a and “technical grade” R 134a(industrial grade r134a).
Mae'r gwahaniaeth isod:
Gyrwyr HFA / Gyrrwr Aerosol HFA -134 A & nbsp; ar gyfer Chwistrellau Meddygol gan gynnwys:
* & nbsp;MDIs (Metered Dose Inhalers) also known as pharmaceutical aerosols or asthma sprays for the treatment of asthma, COPD (Chronic Obstructive Pulmonary Disorder) and respiratory infections
chwistrellau trwynol ar gyfer trin rhinitis alergaidd
chwistrellau ewyn
* chwistrellau llafar ac amserol (ee sensiteiddio nerfau, bywiogrwydd dannedd, ymlacio poen)
* disodli'r osôn halogenaidd llawn sy'n disbyddu clorofluorocarbonau
CFC 11, CFC 12 and CFC 114
a ddefnyddir yn draddodiadol mewn chwistrellau meddygol sy'n cael eu diddymu'n raddol o dan delerau Protocol Montreal gan yr hydrofluoroalkanau di-- HFA 134a, a elwir hefyd yn Fferyllol HFA - 134A (P) & nbsp;
While“Technical grade” R 134a(industrial grade r134a) is predominately used as refrigerant R134a and fire extinguishing agents .It is with:
*the higher purity obtained by additional manufacturing processes specifically developed and applied to meet & nbsp;the stringent specifications set out for & nbsp;pharmaceutical grade products,
*manufacturing in dedicated facilities & nbsp;according to the current good manufacturing practice guidelines,
* rheolaeth ansawdd lefel uchel - gan ddefnyddio dulliau dadansoddol a ddatblygwyd yn benodol i & nbsp; sgrinio mwy na 60 o amhureddau yn y & nbsp; gyrwyr ar lefelau islaw un rhan & nbsp; fesul miliwn,
* registration of the manufacturing & nbsp;processes and quality control systems according to the standards for drug & nbsp;active substances, although both Propellant Hfa (P) 134a for Inhaling and Spray Gas with DMF Certificate & nbsp;yn cael eu dosbarthu fel
exipients. & nbsp;
& nbsp; & nbsp;
