Aijiren si 20mL, 30mL, 40mL, na 60mL nchekwa vial ngwa na-agụnye ịghasa okpu sample vial mere nke ụdị 1 borosilicate doro anya ma ọ bụ aja aja iko, oghe okpu na PTFE silicone roba septa, ma ọ bụ PTFE-lined Nchekwa karama okpu (nwere ike idi a dịgasị iche iche nke chemical corrosion).
A na-eji ngwa nchekwa karama Aijiren eme ihe na gburugburu ebe obibi, nri na ebe ọgwụ. Mpempe akwụkwọ dị iche iche na nhọrọ okpu nwere ike ịbawanye mgbanwe ngwa.