Bisfenol A/BPA Bisfenol A (BPA) nibii ahe saji ahe wolo
Nibii Amli Kwɛmɔ
Nibii ahe susumɔ
Nibii ni akɛtsuɔ nii lɛ agbɛi: Bisphenol A (Kuku: BPA)
Tsofa he gbɛjianɔtoo: C15H16O2
CAS Yibɔ: 80-05-7
EINECS Yibɔ: 201-245-8
Nibii ni Akɛtsuɔ Nii: Oleochemicals; Nibii ni akɛfee nibii ni wala yɔɔ mli
Hefɛo: Kristalo yɛŋ ni tamɔ ŋmei loo powda yɛŋ kpakpa (nitsumɔhe nɔ nibii baanyɛ afee tamɔ nɔ ko ni mli wa)
Gbɔmɔtsoŋ kɛ Tsofa Nibii
| Prɔpati | Nɔ pɔtɛɛ |
|---|---|
| Molekular Muji | 228.29 g/mɔl |
| He ni Shãa | 158-159 °C (316-318 °F) |
| He ni Shãa | 220 °C (428 °F) yɛ 4 mmHg (shihilɛ ni nɔ ko bɛ mli) |
| Dɛnsiti | 1.195 g/sm3 (25 °C) |
| Nɔ ni mli tse | Enyɛŋ etsɔ nu mli; shwieɔ shi yɛ nibii ni wala yɔɔ mli amli (nɔkwɛmɔnɔ, ethanol, asetɔn, benzein, toluen, kɛ etil asetɛt) |
| Flash Point | 227 °C (kɔɔpoo ni aŋã) |
| Shihilɛ ni yɔɔ shiŋŋ | Ehiɔ shi yɛ hulutsoo kɛ nɔnyɛɛ ni sa shishi; ni ultraviolet (UV) la lɛ nuɔ he waa (ebaanyɛ efite loo etsake ehiɛ kɛji UV la lɛ shɛ ehe be kakadaŋŋ); tsi ohe kɛjɛ nibii ni haa mɔ he jɔɔ lɛ, acid, kɛ alkali ni haa mɔ he jɔɔ lɛ ahe |
Nitsumɔi titrii
Bisphenol A ji nɔ ko ni he hiaa waa yɛ polymers ni tsuɔ nii jogbaŋŋ kɛ nitsumɔhe nibii afeemɔ mli, ni nitsumɔi titrii ni nyiɛ sɛɛ nɛɛ ji nɔ ni akɛtsuɔ nii:
Plastic feemɔ ni akɛwoɔ tsɔne mli (PC)
Akɛ shishijee nibii ni akɛfeɔ PC plastic lɛ, BPA haa anyɛɔ afee nibii ni nyɛɔ efiteɔ, ni nyɛɔ dɔlɛ he tamɔ tsɔnei ahe nibii (laptops, smartphones), tsɔne mli nibii (kanei ahe nibii, mligbɛ nibii), kɛ niyenii ni akɛwoɔ mli (ni ato he gbɛjianɔ kɛha shweshweeshwefeemɔ yɛ kpokpai babaoo anɔ).
Epoxy Resin He Nitsumɔ
Akɛtsuɔ nii koni akɛfee epoxy resins kɛha nibii ni akɛwoɔ mli (tamɔ, can mli nibii, nitsumɔhei nibii ni akɛwoɔ mli ni tsiɔ ŋmeii anaa), nibii ni akɛkpɛtɛɔ nii ahe (nibii ni akɛkpɛtɛɔ nii ahe ni yɔɔ hewalɛ waa kɛha kɔɔyɔŋ lɛlɛ kɛ tsumaa), kɛ nibii ni akɛtsiɔ tsɔne naa (circuit boards, transformer windings).
Nitsumɔhei Krokomɛi ni Akɛtsuɔ Nii
Nibii ni akɛfeɔ polyether polyols (ni akɛtsuɔ nii yɛ polyurethane foams mli).
Nɔ ni akɛfataa plasticizers, la ni sɛɛ tsɛɔ, kɛ UV nibii ni haa polymer nibii yaa hiɛ lɛ ahe.
Nɔ ni yɔɔ teŋgbɛ yɛ tsofai pɔtɛɛi (tamɔ, tsofai ni gbeɔ helai, tsofai ni haa mɔ he jɔɔ lɛ) afeemɔ mli.
Nɔ ni hi jogbaŋŋ
Wɔ Bisphenol A nibii lɛ kɛ jeŋ muu fɛɛ nitsumɔhei kɛ shweshweeshwefeemɔ he mlai kpãa gbee, kɛ hetsemɔ kɛ mujiwoo nɔkwɛmɔ he okadii tamɔ nɛkɛ:
| Index | Nitsumɔhe Gbɛjianɔtoo (Nɔ ni afɔɔ feemɔ) | Reagent Grade (Hetsemɔ ni nɔ kwɔ) |
|---|---|---|
| Hetsemɔ (HPLC) | ≥ 99.5% | ≥ 99.8% |
| Fɛ̃i ni yɔɔ mli | ≤ 0.1% | ≤ 0.05% |
| Ash mli nibii | ≤ 0.01% | ≤ 0.005% |
| Dade ni tsii ni he tseee (Pb, Cd, Hg) | ≤ 10 ppm | ≤ 1 ppm |
| Phenol Nɔ ni Eshwɛ | ≤ 0.2% | ≤ 0.05% |
Ayɛ nibii ni afee lɛ pɛpɛɛpɛ kɛha nitsumɔhei pɔtɛɛ komɛi ahiamɔ nii (tamɔ, muji ni baa shi kɛha nibii ni akɛ niyenii yeɔ tsakpaa lɛ afeemɔ).
Gbɛtsɔɔmɔi kɛha nitoo kɛ nitsumɔ
Bɔni afee ni nibii lɛ ahi shi jogbaŋŋ ni amɛtsu nii jogbaŋŋ lɛ, nyiɛmɔ nibii ni akɛtoɔ kɛ nitsumɔ he taomɔ nii nɛɛ asɛɛ:
Shihilɛi ni akɛtoɔ
Temperature: Akɛto he ko ni mli ejɔ ni edɔ yɛ 15–25 °C; tsi ohe kɛjɛ dɔlɛ ni naa wa (>30 °C) loo fɛ̃i (
La: Kɛ nibii ni mli tseee (tamɔ, glase tsɛnsii ni tsuɔ tamɔ ŋmɔtɔ, HDPE plastic tsɔnei ni UV hebuu yɔɔ mli) atsu nii koni UV-ni kɛbaa lɛ akafite nii.
Fɛ̃i: Ha fɛ̃i ni fa fioo lɛ ahi shi
Nɔ ni He Hiaa Kɛha Naatsii
Ha nibii ni akɛwoɔ mli lɛ ahi shi jogbaŋŋ yɛ be fɛɛ be ni okɛtsu nii lɛ sɛɛ koni ŋmɔtɔ akabote mli ni ekɛ muji akafite. Tsi ohe kɛjɛ gbɛi ni akɛfiɔ nii ahe yɛ be kukuoo mli (tamɔ, plastic ni akɛwoɔ mli) ni baanyɛ aha mujiwoo aba lɛ he.
Shweshweeshwefeemɔ He Gbɛjianɔtoi
Wo nibii ni buɔ mɔ he (PPE): Dust mask, glɔvs ni tsofai nyɛɔ eshɛɔ he, kɛ shweshweeshwefeemɔ he ŋmɛlɛtswai kɛji ootsu nii (titri lɛ kɛha powda/granular henɔi).
Kɔɔyɔɔ: Kwɛmɔ ni kɔɔyɔɔ kpakpa aya hei ni akɛ nibii toɔ kɛ hei ni akɛtsuɔ nii yɛ lɛ koni sũ loo lasu akabua ehe naa.
Nɔ ni Akɛtsuɔ Nii ni Eshwieɔ Shi: Okɛ nibii ni shwieɔ shi (diatomaceous shikpɔŋ, activated carbon) atsumɔ nibii ni eshwie shi lɛ ahe; shɛrɛmɔ jwɛi yɛ gbɛ ni kɛ tsofai ni yɔɔ oshara ni yɔɔ maŋ lɛ mli lɛ kpãa gbee nɔ.
Mlai ahe nitsumɔ
Jeŋ Muu Fɛɛ Naatsii: Ekɛ EU REACH Mla (Annex XVII) naatsii ni kɔɔ BPA ni yɔɔ niyenii ni akɛhaa lɛ mli lɛ kpãa gbee (tamɔ, agu yɛ gbekɛbii niyenii atooi amli).
US FDA: Ekɛ FDA gbɛtsɔɔmɔi ni kɔɔ BPA ni akɛtsuɔ nii yɛ niyenii ni akɛwoɔ nibii amli kɛ plastic mli lɛ kpeɔ (21 CFR 175.300).
China Mlai: Ekɛ GB 4806.6 (shweshweeshwefeemɔ he mlai kɛha plastic ni akɛwoɔ niyenii mli) lɛ kpãa gbee.
Nibii ni akɛwoɔ kotoku mli kɛ shihilɛ
Nibii ni Akɛwoɔ Nibii Amli:
Nitsumɔhe Nine: HDPE plastic kotokui ni tsiimɔ ji kilogram 25 (ni polyethylene mli tsɔnei yɔɔ mli) loo fiber tsɔnei ni tsiimɔ ji kilogram 500 (ni akɛ aluminum foil wo mli).
Nɔ ni akɛtsuɔ nii: 1 kg amber glase tsinsii (ni akɛ Teflon-ni akɛwo mli lɛ naa).
Shelf Life: Nyɔji 24 kɛjɛ gbi ni afee lɛ nɔ (kɛji akɛ akɛto yɛ shihilɛi ni yɔɔ ŋwɛi nɛɛ anaa, agbeleee).
Bisphenol A he kwɛmɔ wolo
| Nibii amlipɛimɔ | Ekome | Nɔ pɔtɛɛ | Sɛɛnamɔ | Gbɛ ni Atsɔɔ Nɔ Akwɛɔ |
| Bɔni oyɔɔ | / | Eyɛŋ ni ji granular loo flaky, ni tsɔne mli muji bɛ mli | Granular yɛŋ, ni tsɔne mli muji bɛ mli | GB/T 28113-2011 |
| Bisfenɔl A | Mii/% | ≥99.85 | 99.925 | GB/T 28113-2011 |
| Pɛnɔl | Mii/% | 0.005 | 0.001 | GB/T 28113-2011 |
| 2,4-Isomɛ | Mii/% | 0.050 | 0.01 | GB/T 28113-2011 |
| Kristal Nɔ | °C | ≥156.6 | 157.2 | GB/T 28113-2011 |
| Chroma ni mli edɔ | Su, Pt-Co (Hazen henɔ) | ≤20 | 10 | GB/T 28113-2011 |
| Chroma tsabaa | Su, Pt-Co (Hazen henɔ) | / | 5 | GB/T 28113-2011 |
| Frɔnɔɔfeemɔ | Mii/% | ≤0.08 | 0.02 | GB/T 6283-2008 |