Propionic Acid Nashɔnal Stɛndad (GB Spɛsifikeshɔn dɛn) .
Di nashɔnal standad fɔ propionic asid klia wan de difayn in apinɛns: i fɔ bi wan likwid we nɔ gɛt kɔlɔ, we de transparent wit wan pɔngɛnt smel, ɛn in kɔlɔ fɔ mit sɔm patikyula vijual kɔlɔrimɛtrik standad dɛn (ɛgz., wit wan APHA valyu we nɔ pas wan spɛsifikɛd limit) fɔ mek shɔ se di prɔdak mit di apinɛns kwaliti rikwaymɛnt dɛn.
we i kam pan di klin, di nashכnal standad de mandat wan minim propionic asid kכntεnt fכ 99.0%. Dis ay-puriti rikwaymɛnt de mek shɔ se propionic asid de delivr stebul ɛn rilibul pefɔmɛns akɔs difrɛn industrial prodakshɔn ɛn aplikeshɔn sɛnɛriɔ dɛn. Mɔstɔ na impɔtant tin we de afɛkt di kwaliti fɔ di prɔdak; per di standad, di wata we de insay fɔ kɔntrol am dɔŋ 0.5% fɔ mek di mɔs we pasmak nɔ ambɔg in kemikal prɔpati ɛn pefɔmɛns. asid, as di ki indikεtכ, dεn spεsifiket am klia wan bak: di asid (dεn kכl am as mas frakshכn, we dεn kכl as propionic asid) fכ fכl insay wan difayn rεnj fכ garanti di prodak in kεmikכl stεbiliti εn riaktiviti mit rikwaymεnt dεm. Di tin we de insay di hevi mɛtal strikt wan na di standad—dɛn de ristrikt lid, mɛkuri, ɛn ɔda ebi ebi mɛtal dɛn to di lɛvɛl we rili smɔl, we dɛn kin mɛzhɔ insay ppm (pat pan wan milyɔn), fɔ mek shɔ se i sef fɔ yuz na it, famasitik, ɛn ɔda sɛnsitiv industri dɛn.
Di nashɔnal standad de put prɛsis rikwaymɛnt dɛn bak pan di density. na wan spεsifi k tεmprachכ (εgz., 20°C), di dεnsiti fכ fכl insay wan difayn rεnj, we de sho if di prodak in fכshal prכpati dεm de fala di standad dεm. Boil rεnj na כda ki kכnsidεreshכn: propionic asid fכ gεt bכyl rεnj we jεnarali 140°C – 142°C, we de mek sכh se in tεmral stεbiliti εn volatility mit kכrεspכndεnt industrial dimand dεm. Klorayd kɔntinyu na strikt wan we dɛn de rigul, wit di standad we se di klorayd lɛvɛl fɔ de dɔŋ wan spɛshal trɛshɔld (ɛgz., 0.001%) fɔ mek dɛn nɔ gɛt bad bad impak pan di prɔdak kwaliti ɛn di prɔsesin we dɛn de du afta dat. di ayn kכntεnt de כlso sכbjεkt to klia limit, tipikli nכ pas 0.0001%, fכ avכyd ayכn εlimεnt dεm we de afekt di kכla, stεbiliti, εn pεrformεns fכ propionic asid insay sכm spεshal aplikεshכn dεm.
Rigarding sכlubiliti, di nashכnal standad nid fכ propionic asid fכ sho gud sכlubiliti in spεsifi k sכlvεnt dεm (eg, ethanol, diethyl ether), we de alaw komplit miscibility pan sכm rεshכn fכ mit fכmyuleshכn rikwaymεnt across difrεnt aplikεshכn sεnariכ dεm.

https://www.pulisichem.com/faktɔri-prayz-99-5-propionik-asid-cas-79-09-4-propionik-asid-fɔ-fud-prɛzɛvɛtiv-prɔdakt/

Shandong Pulisi Chemical Co., Ltd. na spɛshal manifakta ɛn saplay fɔ ay-kwaliti industrial-grɛd propionic asid na Chaina, we de dediket fɔ deliv kɔnsistɛns klin, rili saplai, ɛn tayla sɔlvishɔn fɔ di glob ɔl industrial klaynt dɛn. Wi propionic asid de prodyuz ɔnda strikt GB/T 10615 standad, wit prɛmiɔm gred klin we de rich ≥99.5% ɛn fɔs gred we de rich ≥99.0%, we gɛt lɔw mɔstɔ, lɔw ayɛn kɔntinyu, ɛn kɔntrol ebi ebi mɛtal lɛvɛl fɔ mit di dimand rikwaymɛnt dɛn fɔ difrɛn ɛnd-yuz aplikeshɔn dɛn.
Manufactured via advans propylene oksidashɔn teknɔlɔji, wi propionic asid de mek shɔ se stebul kemikal prɔpati, ɛksɛlɛnt sɔlvibiliti, ɛn kɔnsistɛns kwaliti batch afta batch. I de wok as ki intamɛdiet insay ɔrganik sɛntesis, plastic manufakchurin, ilɛktrɔplatin prɔses, fid ɛn it prɛzɛvɛshɔn, ɛn famasitik ɛn agrokɛmikal prodakshɔn. Wi in-haus kwaliti kɔntrol laboratori ɛn kɔmprɛhɛnsif tɛst protɔkɔl dɛn de sɔpɔt am, ɛvri shipmɛnt gɛt ful COA, MSDS, ɛn ɔda kɔmplians dɔkyumɛnt dɛn fɔ mek i izi fɔ import ɛn yuz am ɔlsay na di wɔl.
Wit ova ia ɛkspɔt ɛkspiriɛns to Eshia, Yurop, di Midul Is, ɛn biyɔn, wi de gi fleksibul pak opshɔn, kɔmpitishɔn prayz, ɛn rilibul delivri tɛm dɛn we inklud FOB, CIF, ɛn DDP. If yu nid smɔl trial ɔda ɔ big-big bɔlk sapɔt, wi dediket tim rɛdi fɔ gi rispɔnsiv tɛknikal sɔpɔt ɛn kɔstɔmayz savis fɔ mit yu yon biznɛs nid dɛn.