Gabatarwa
Ana iya amfani da nau'ikan gilashin gwaje-gwaje daban-daban don shirya maganin sinadarai.Inda daidaito da daidaito sune mafi mahimmanci, filayen volumetric sune mafi kyawun zaɓi.
An yi flask ɗin ne da gilashin borosilicate, wanda ake amfani da shi sosai saboda juriyar sinadarai, juriyar zafi, da ingancin gani.Ana kuma rarraba su a matsayin Class A;suna samar da mafi girman matakin daidaito da daidaito.
Muna da nau'ikan flasks na volumetric guda 10 don zaɓar daga: 5, 10, 25, 50, 100, 250, 500, 1000, 2000 ml, suna da layin etching guda ɗaya ko sikeli don nuna layin cikewar ƙarar da aka zaɓa.Ana amfani da kowane nau'in filasta na musamman don shirya maganin daidai da ƙimar sa.Alal misali, kawai lokacin da ake shirya wani bayani tare da jimlar adadin 250 ml, 250 ml na kwalban ruwa shine zabin da ya dace.
Tsari
1. Zaɓi girman flask ɗin da ya dace don shirin ku.
2. Yi ƙididdigewa da auna yawan adadin kayan da ake buƙata don shirya maganin da ake bukata.
3. Canja wurin kayan zuwa flask kuma yi amfani da mazugi don tabbatar da cewa babu asarar kayan aiki yayin aikin canja wuri.
4. Kurkura gefen mazurari a cikin flask tare da sauran ƙarfi (misali, ruwa a cikin maganin ruwa) don kama duk wani abu da ya rage wanda ke manne da mazurari.
5. Cika flask ɗin rabi tare da sauran ƙarfi, rufe flask ɗin kuma juya don narkar da ingantaccen abu a cikin bayani.
6. Bayan an narkar da kayan abu mai ƙarfi, cika flask tare da sauran ƙarfi kusan zuwa layin etching.
7. A dakata da ƙyale duk wani ruwa ya gudana a gefen flask ɗin.
8. Yi amfani da ɗigon magani don ƙara isasshen ƙarfi a hankali don ɗaga ƙasan meniscus na maganin zuwa matakin layin etching.
9.Capped, gauraye, da juyawa ya ceci maganin ku har sai an shirya don amfani.
1621A | Volumetric Flask daraja A., Tare da ƙasa-a cikin madaidaicin gilashi ko madaidaicin filastik, bayyananne ko amber | ||
Iyawa (ml) | Haƙurin iya aiki (± ml) | Bakin ƙasa | Tsayi (mm) |
5 | 0.02 | 39640 | 74 |
10 | 0.02 | 39640 | 90 |
25 | 0.03 | 39734 | 110 |
50 | 0.05 | 39734 | 140 |
100 | 0.1 | 39796 | 170 |
200 | 0.15 | 14/15 | 210 |
250 | 0.15 | 14/15 | 220 |
500 | 0.25 | 16/16 | 260 |
1000 | 0.4 | 19/17 | 310 |
2000 | 0.6 | 24/20 | 370 |
Lokacin aikawa: Satumba-22-2021