Manufacturer's Data For Grinding Balls Made Of Glass („Dragonit 30"); Bibliographical Data - Sartorius Mikro-Dismembrator U Bedienungsanleitung

6.2.2 Manufacturer's Data for Grinding Balls made of Glass („Dragonit 30")
Features
Chemical composition
density
powder density
transformation temp. Tg
deformation point
process point
refractiv index
wide angle
hardness (Mohs)
„ (Vickers)
„ (Knoop)
„ (Rockwell)
chem. consistency
acid class
hydrol. class
alcali resistance
elasticity modulus
shear modulus
Poisson ratio
thermal conductivity
medium specific heat
6.3

Bibliographical Data

R.K. Wagener, L Görlich, P.W. Jungblut: Dihydrotestosterone Receptor in Human Mammery Cancer; Acta endocr.(kbh).,
Suppl. 173 (1973) 65.
E. Wagner, 5. Frosch, O. Kempf: Endogenous Rhythmicity and Energy Transduction; Plant Science Letters, 3 (1974) 43-
48
G.F.Deitzer, O. Kempf, S. Fischer, E. Wagner: Endogenous Rhythmicity and Energy Transduction; Planta (Berl.) 117
(29-41), 1974
E.O.R.T.C Breast Cancer Cooperative Group: Standards of the Assessment of Estrogen Receptors in Human Breast
Cancer; Europ. J. Cancer Vol. pp. 379-381 (1973)
S. Berndt, U. Schwabe: Effect of Psychotropic Drugs on Phoshodiesterase and Cyclic AMP Level in Rat Brain; Brain
Research 63 (1973) 303-312
22
SiO
2
PbO
K O
2
Na O
2
B O
2 3
+ trace elements
dep. on size
1013 Poise
107.6 Poise
104 Poise
200 P.
200 P.
acc. to DIN 50 103
acc. to
12 116
12 111
52 322
20 degC
20 degC
0 degC
100 degC
16-100 degC
Parameter Unit
59 %
24 %
9 %
4 %
2 %
3
approx. 2.9 g/cm
1.2-1.9 kg/l
424 degC
632 degC
975 degC
1.556 h
D
58:65 n
5
2
475 kp/mm
460 kp
47
3
4
3
2
6200 kp/mm
2
2560 kp/mm
0.210
0.856 W/Km
0.971 W/Km
0.667 kJ/kg K