VICE 8-60 ml EPA nlele vials maka nlekota nke ntụkwasị obi gburugburu

1. Ozụ & Mkpa
   Na gburugburu ebe obibi, usoro nke 8-60 ml EPA-Asịrị nke na-acha uhie uhie (voa karama) bụ ndị na-aga na-anakọta olu, ihe nlele mmiri, na mpụga ala. Emerela ụdị ọkwa dị elu m borosilicate iko na ptfe \ /licone campa, vials ndị a na-agba mbọ, mmegbu nke mmiri na-adọta. Iji pre-kpochara, doo anya ma ọ bụ amba vials na-ezute EPA ọkọlọtọ na -ebelata ụkpụrụ na-emekọrịta ihe na-agagharị na mpaghara Interblication na ịbawanye nchekwa data.

2. Usoro nlele & nchekwa
   a. Nchịkọta ubi
    m. Jiri vials na-ahazi aha tupu emepụta ya.
    II. Dejupụta saịtị ahụ na usoro EPA 5035 (enweghị oghere ikuku).
    III. Yiri uwe aka ma jiri ngwaọrụ raara onwe ya nye iji zere mmeru.
   b. Imebi
    m. Tinye ihe eji echekwa (E.G., sulfuric acid maka organics.
    II. Mwepu okpu iji pịa sephum megide elu, na-akpọchi na nyocha.
   c. Transportgbọ njem & nchekwa
    m. Chekwaa na 4 Celsius C n'ọchịchịrị; na-ebugharị na ngwugwu ice.
    II. Na-ejigide ID dị iche iche dị iche iche n'oge njide.
    III. Rubere Epi na-ejide oge (e.G., akwara ≤ 14).
   d. Nweta ụlọ nyocha & nyocha
    m. Nyochaa iguzosi ike n'ezi ihe; Nchọpụta NJ maka traceabity.
    II. Nyochaa ozugbo (E.G., hespace GC) ma ọ bụ nyefee na obere njikwa.

3. Ihe akpa & nkwụsi ike
   a. Pịnye m na-agba iko
    m. ≥ 80% dio₂-elu ikuku na-awụ akpata oyi na acid \ / na-etinye ọnụ.
    II. Adịghị etkaline.
    III. Ntụgharị Amber na-echebe nyocha ọkụ.
   b. Achịcha soda-lime (anaghị atụ aro)
    m. Ọdịnaya alkali dị elu nwere ike ịra ọcha n'ime ihe nlere acidic, imebi nsonaazụ.

4. Iwu achọrọ & nnabata
   a. Nkọwa usoro EPA
    m. Usoro 5035a (SW-846): 60 ml sepum ite ma ọ bụ 40 ml ptfe-lics vials maka ala olu.
    II. Usoro 1631: Chọpụta nyocha Mercury chọrọ FAP \ / PFA-lekọtara ma ọ bụ ụdị m iko iko.
    III. Methodszọ 524.2 & 5021A: Amber borosilicate Voa Voals VoA VIals na PTFE \ / silicone program.
    iv. 40 Cfr 136: Ndị na-akwalite akwa ga-anapụta <50 ppb toc na ngọngọ.
   b. Nkwado arụmọrụ
    m. Voa Voals n'okpuru usoro 5035A nweta ≥ 95% usoro mgbake.
    II. FEP \ / PFA-Leding Caps na-egosi enweghị ike ịtọpụ ngọngọ nke siri ike na acid siri ike.

5. Ikike imewe & nyocha nke kachasị mma
   a. Nhọrọ okpu & sera
    m. PTFE \ / silicone program n'okpuru phenolic ma ọ bụ plastik nke plastik gbochie mfu.
    II. FEP \ / PFA-Ledds maka ihe nlele ike (acids siri ike \ /xidized).
    III. Gbaa mbọ hụ na isi niile bụ ihe akaebe na-egosi, na-agbagharị na Epi.
   b. Ngwọta Ngwọta Mgbakwunye
    m. Otutu oru (SW-846 5035): vials vials juputara na saịtị wee laghachi na Putge-na-ọnyà.
    II. Direct Dejuo & Akara belata mbufe usoro, belata ihe ize ndụ.
    III. Ngwa nke ngwaọrụ nke ala na-ebu ibu na-arụ ọrụ na VoA Vails ọzọ belata mfu.

6. Mmechi
   Site na nchịkọta ubi site na nyocha nke ụlọ nyocha, na-arụ ọrụ EPA-Riss ụdị m na-eme ka teknụzụ na-ahụ maka ihe nlere anya, traceability, na nnabata. Akpụrụ akpụ na ndị ọrụ na-ebelata mgbanwe-Lalọb, na-ebufe data ndị a pụrụ ịdabere na ya.

Ihe Omume Dị Iche

• Jiri ngwa ngwa kpochara, nke na-akpọghị voa vials na saịtị na-acha ọcha na ngwaọrụ raara onwe ya nye.

• Tinye nchekwa nchekwa na-eme ka ọ dị mma ptfe \ / silicone caps ozugbo.

• Chekwaa na 4 Celsius C n'ọchịchịrị; na-ebugharị na mmiri dị mma.

• Nyochaa vials na log ids tupu nyocha; Gbaa isi na-enyefe GC ma ọ bụ mmegharị nwere nsogbu.

• Họrọ ụdị iko na-aga n'ihu (amber maka ọgbụgba ọkụ) na fep \ / PFA-na-enweghị isi maka iwe.

• Na-eme ka arụ ọrụ na-eme ka ọ bụrụ ndị na-emegharị emegharị.