Kjeldahl Flasks
zvinhu: 99.99% yakasanganiswa quartz girazi (SiO₂)
Technique : Kucheka, kupukuta, kuchera, etching, nezvimwe.
Size: Custom
MOQ: 1 pcs
Tsanangudzo
Features
a. Smooth surface
b. Inopesana nekushisa kwepamusoro
c. Kurwisana nepamusoro-soro
d. Inopikisa kune yakasimba acid (kunze kweHF) yakasimba alkali uye
e. Kugadzikana kwezvinhu
f. Low coefficient yekuwedzera kwekupisa
g. High transparency
Regular Size
|
Kjeldahl Flasks |
||||
|
Vhoriyamu/ml |
kunze dhayamita yemutsipa/mm |
dhayamita rekunze remuviri/mm |
hurefu hwakazara/mm |
mini madziro ukobvu/mm |
|
50 |
22 |
51 |
200 |
1.0 |
|
100 |
22 |
60 |
200 |
1.0 |
|
250 |
34 |
81 |
270 |
1.0 |
|
500 |
34 |
101 |
300 |
1.0 |
|
750 |
34 |
115 |
340 |
1.3 |
|
1000 |
34 |
125 |
350 |
1.3 |
Applications
a. Chikafu Sayenzi & Zvokudya - Kuongororwa kweprotein mune zvigadzirwa zvekudya.
b. Agricultural Chemistry – Ivhu, fetiraiza, uye chirimwa nitrogen kuongorora.
c. Environmental Monitoring - Mvura yakasviba uye inosvibisa nitrogen yekuongorora.
d. Biochemistry & Pharmaceuticals - Protein quantification mune biological samples nemishonga.
e. Chemical Indasitiri - Nitrogen kuyerwa mune organic uye inorganic komisheni.
Properties
|
Zvinhu Zvenyama |
Values |
|
Kuchena |
＞99.99% |
|
Density |
2.2g/cm3 |
|
Transparency |
＞90% |
|
Mohs Kuoma |
5.5--6.5 |
|
Deformation Point |
1280 degree |
|
Softening Point |
1780 degree |
|
Annealing Point |
1250 degree |
|
Chaicho Kupisa (20 - 350 dhigirii) |
670J/kg. degree |
|
Thermal Conductivity (20 degree) |
1.4W/m. degree |
|
Heat Conductivity (w/mk,1000 degree) |
1.0-1.2 |
|
Refractive Index |
1.4585 |
|
Coefficient of Thermal Expansion |
5.510 -7cm/cm. degree |
|
Kupisa - kushanda Temperature |
1750 ~ 2050 dhigirii |
|
Nguva pfupi - yeTembiricha yeSevhisi |
1300 degree |
|
Yenguva yakareba - yeTembiricha yeSevhisi |
1100 degree |
|
Chemical Properties |
Values |
|
Acid resistant |
Yakasimba Asidhi (kunze kweHF), Yakasimba alkali, organic mhinduro |
|
High tembiricha Corrosion resistance |
Excellent |
|
Metal Kusachena Content |
＜5 ppm |
|
Electrical Properties |
Values |
|
Resistivity |
7107Ω.cm |
|
Insulation Simba |
250~400Kv/cm |
|
Dielectric Constant |
3.7~3.9 |
|
Dielectric Absorption Coefficient |
＜410-4 |
|
Dielectric Loss Coefficient |
＜110-4 |
|
Mechanical Properties |
Values |
|
Compressive Strength |
1100MPa |
|
Bending Strength |
67MPa |
|
Tensile Simba |
48MPa |
|
Chiyero chePoisson |
0.14~0.17 |
|
Young's Modulus |
72000MPa |
|
Shear Modulus |
31000MPa |
Shipping
Sei Tisarudze
Customization
Gadzirisa zvigadzirwa zvako zvinoenderana nezvaunoda
24 Online Service :
Gadzirisa mhinduro yako nenguva
Competitive mutengo:
Mutengo wefekitari asi-mhando yepamusoro
Global shipping :
Mukova-we-kuendeswa pamusuwo
FAQ
Q1: Ndeipi yakanyanya tembiricha iyo quartz Kjeldahl flask inogona kumira?
A: Kusvikira ku1,200 dhigirii, asi kushandiswa kwenguva refu pamusoro pe1,000 dhigirii kunogona kuderedza hupenyu.
Q2: Inogona kushandiswa ne hydrofluoric acid (HF)?
A: Kwete, HF inonyungudutsa quartz. Shandisa PTFE kana midziyo yeplatinamu yeHF kugaya.
Q3: Sei uchisarudza quartz pane borosilicate girazi?
A: Quartz ine yakakwirira yekupisa kuvhunduka kuramba, kusimba kwemakemikari kuri nani, uye kuchena kwepamusoro.
Q4: Ndeapi saizi aripo?
A: Common saizi : 50mL, 100mL, 250mL, 500mL, 1000mL (tsika saizi iripo pakukumbira).
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