Kjeldahl Nsu a Wɔde Yɛ Nneɛma
a.Afafa a ɛyɛ torotoro
b.Ɛyɛ nea ɛko tia ɔhyew a ɛkɔ soro
c.Ɛyɛ nea ɛko tia nhyɛso a ɛkorɔn
d.Ɛko tia acid a ano yɛ den(gye HF) alkali a ano yɛ den ne
e.Nneɛma a ɛgyina pintinn
f.Low coefficient a ɛkyerɛ sɛnea ɔhyew ntrɛwmu
g.Nneɛma a ɛda adi kɛse
Nkyerɛmu
Su
- Ɔfa a ɛyɛ mmerɛw
- Ɛko tia ɔhyew a ɛkɔ soro
- Ɛko tia nhyɛso kɛse
- Ɛko tia acid a ano yɛ den(gye HF) alkali a ano yɛ den ne
- Nneɛma a ɛma nneɛma gyina pintinn
- Nkyem a ɛba fam a ɛkyerɛ ɔhyew ntrɛwmu
- Nneɛma a ɛda adi pefee a ɛkorɔn
Daa Kɛse
|
Kjeldahl Nsu a Wɔde Yɛ Nneɛma |
||||
|
Nnyigyei dodow/ml |
Abɔnten so ntwemu ma kɔn/mm |
Abɔnten so ntwemu ma nipadua/mm |
Ɔsorokɔ a edi mũ/mm |
Mini ɔfasu no mu duru/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 |
Nnwuma a Wɔde Di Dwuma
Aduan Ho Nyansahu & Aduandi Ho Adesua
Protein a ɛwɔ nnuan mu nhwehwɛmu.
01
Kuadwuma mu Nnuruyɛ
Asase, aduannuru, ne nnɔbae mu nitrogen nhwehwɛmu.
02
Nneɛma a Atwa Yɛn Ho Ahyia a Wɔhwɛ So
Nsu fĩ ne efĩ nitrogen a wɔsɔ hwɛ.
03
Biochemistry & Nnuruyɛ ho nimdeɛ
Protein dodow a wɔkyerɛ wɔ abɔde a nkwa wom nhwɛsode ne nnuru mu.
04
Nnuruyɛ Nnwuma
Nitrogen susuw wɔ nneɛma a nkwa wom ne nea ɛnyɛ abɔde mu.
05
Agyapadeɛ
|
Nneɛma a Ɛwɔ Honam Fam |
Gyinapɛn ahorow |
|
Ahotew |
＞99.99% |
|
Muduro |
2.2g/cm na ɛyɛ3 |
|
Nneɛma a wɔyɛ no pefee |
＞90% |
|
Mohs Nneɛma a Ɛyɛ Den |
5.5--6.5 |
|
Deformation Point a Ɛwɔ Hɔ |
1280 digrii |
|
Ade a Ɛma Ɛyɛ Dwo |
1780 digrii |
|
Annealing Point a Wɔde Yɛ Nneɛma |
1250 digrii |
|
Ɔhyew Pɔtee (20 - 350 digrii ) . |
670J/kg. anoɔden |
|
Ɔhyew a Ɛma Nsu (20℃) . |
1.4W/m na ɛwɔ hɔ. anoɔden |
|
Ɔhyew a Ɛma Nneɛma Kɔ (w/mk,1000℃) . |
1.0-1.2 |
|
Refractive Index a Ɛwɔ Hɔ |
1.4585 |
|
Coefficient of Ɔhyew Ntrɛwmu |
5.510 -7cm/cm na ɛwɔ hɔ. anoɔden |
|
Hot - adwuma Ɔhyew |
1750--2050 abodin krataa |
|
- bere tiaa mu Ɔsom Ɔhyew |
1300 digrii |
|
Bere tenten - bere Ɔsom Ɔhyew |
1100 digrii |
|
Nnuru a Wɔde Yɛ Nneɛma |
Gyinapɛn ahorow |
|
Acid a ɛko tia |
Acid a ɛyɛ den(gye HF),Alkali a ɛyɛ den, organic solution |
|
Ɔhyew a ɛkɔ soro Ntumi nsɛe |
Asɛnka nni ho |
|
Metal Efĩ Nsɛm a Ɛwɔ Mu |
<5 ppm na ɛwɔ hɔ |
|
Electrical Nneɛma a Ɛwɔ Hɔ |
Gyinapɛn ahorow |
|
Nneɛma a wɔde ko tia |
7107Ω.cm na ɛwɔ hɔ |
|
Insulation Ahoɔden |
250 ~ 400Kv / cm |
|
Dielectric Nneɛma a Ɛkɔ So Daa |
3.7~3.9 |
|
Dielectric Absorption Nkyɛmu |
＜410-4 |
|
Dielectric a Ɛyera Nkyɛmu |
＜110-4 |
|
Mfiridwuma mu Nneɛma a Ɛwɔ Hɔ |
Gyinapɛn ahorow |
|
Ahoɔden a Wɔde Mia Nhyɛso |
1100MPa na ɛwɔ hɔ |
|
Ahoɔden a Wɔde Kotow |
67MPa na ɛwɔ hɔ |
|
Ahoɔden a Wɔde Tensile |
48MPa na ɛwɔ hɔ |
|
Poisson Nkyɛmu |
0.14~0.17 |
|
Young's Modulus a ɔyɛ no |
72000MPa na ɛyɛ adwuma |
|
Shear Modulus a wɔde twitwiw nneɛma |
31000MPa na ɛyɛ adwuma |
Suhyɛn so dwumadie
FAQ
Q1: Ɔhyew bɛn na ɛsen biara a quartz Kjeldahl ahina betumi agyina ano?
A: Ɛkɔ soro kodu digrii 1,200 , nanso sɛ wɔde di dwuma bere tenten a ɛboro digrii 1,000 a, ebetumi atew nkwa nna so.
Q2: So wobetumi de adi dwuma ne hydrofluoric acid (HF)?
A: Dabi, HF ma quartz tew. Fa PTFE anaa platinum nkuku di dwuma ma HF a wɔde di dwuma.
Q3: Dɛn nti na ɛsɛ sɛ wopaw quartz sen borosilicate ahwehwɛ?
A: Quartz wɔ ɔhyew a ɛko tia kɛse, nnuru a ɛtra hɔ kyɛ yiye, na ɛho tew kɛse.
Q4: Nneɛma akɛse bɛn na ɛwɔ hɔ?
A: Nneɛma akɛse a wɔtaa de di dwuma: 50mL, 100mL, 250mL, 500mL, 1000mL (kɛse a wɔahyɛ da ayɛ no wɔ hɔ bere a wɔabisa).
Tags a ɛyɛ hyew .: kjeldahl flasks, China kjeldahl flasks ayɛfo, wɔn a wɔde ma, adwumayɛbea
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