Pali njira ziwiri zazikulu zodziwira disodium-5-ribonucleotide (IMP + GMP) : QB / T 2845-2007 kuwonjezera chakudya -Disodium-5-ribonucleotide (IMP + GMP) ndi SB / T 10371-2003 essence ya nkhuku.
Njira ziwiri zoyezera zoyezera zimatengera spectrophotometry, koma njira zenizeni zoyezera ndizosiyana kwambiri
QB / T 2845 zowonjezera chakudya - disodium-5-ribonucleotide (IMP + GMP), kutengera
Njira yapawiri wavelength [1]: kulemera 0.4000 (m) g ya chitsanzo, sungunulani ndi kukonza voliyumu ndi madzi.
Kufikira 250 ml, kuyamwa 5.0 ml, ndikukonza voliyumuyo ndi 0.01 mol / L hydrochloric acid kuti
250 ml, yokhala ndi 0.ol mol / L yopanda kanthu, zotengera A ndi B pa 250 nm ndi 280 nm zidayesedwa ndi cuvette ya 10 mm. Disodium-5-ribonucleotide (IMP + GMP) ili ndi
Kuchuluka kwake kumawerengedwa motsatira ndondomeko (1).
ω Ndi kuchuluka kwa chinyezi cha kukoma kwa nucleotide disodium.
Sb / T 10371 imagwiritsa ntchito njira imodzi ya kutalika kwa mawonekedwe.]: Kulemera 2 ~ 4G chitsanzo
(m) idasungunuka ndi 0.01 mol / L hydrochloric acid ndikukhazikika mpaka 100 ml,
Sefa, kuyamwa 5.00 ML mpaka 100 ml volumetric botolo ndi ntchito
0.01 mol / L hydrochloric acid mpaka voliyumu. Gwiritsani ntchito 10 mm cuvette, 0.01 mol / L
Hydrochloric acid idagwiritsidwa ntchito ngati yopanda kanthu kuyeza kuyamwa kwake.
Njira ziwirizi zikugwiritsidwa ntchito panopa, ndipo palibe malire okhwima pa ntchito yogwiritsira ntchito
Malire. Sb / T 10371 ndi njira yodziwira nkhuku, makamaka yoyang'ana
Kuzindikira za I + G: zomwe zili pafupi ndi 1 ~ 39,6, ndipo QB / T 2845 ndi
Njira yodziwira zowonjezera za I + G, koma zina zomwe zili ndi I + G
Amagwiritsidwanso ntchito pazinthu zotsika kwambiri, monga GB / T 8967
Zomwe zili mu I + G m'mafuta oyengedwa zimayesedwa ndi mawu omwe ali mu I + G mu QB / T 2845
Njira yodziwira. Potengera izi, mlembiyo adatenga nkhuku ngati chitsanzo ndikufanizira ziwirizi
Kafukufuku woyerekeza wa njira ziwirizi adachitidwa kuti afufuze kufanana kwawo ndi kusiyana kwawo, kuti apange kafukufuku wowonjezera pa
Limapereka chiwongolero cha kukhazikitsidwa kwa miyezo yotsimikizika ya I + G.
Nthawi yotumiza: Sep-13-2022