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Sigma-Aldrich

Carbon

glassy, spherical powder, 2-12 μm, 99.95% trace metals basis

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Synonym(s):
Carbon
Empirical Formula (Hill Notation):
C
CAS Number:
7440-44-0
Molecular Weight:
12.01
EC Number:
231-153-3
UNSPSC Code:
11101522
PubChem Substance ID:
24871935
NACRES:
NA.23

Quality Level

200

Assay

99.95% trace metals basis

form

glassy, spherical powder

mol wt

Mw 12.011 g/mol

composition

C

particle size

2-12 μm

density

1.8-2.1 g/cm3

application(s)

battery manufacturing

InChI

1S/C

InChI key

OKTJSMMVPCPJKN-UHFFFAOYSA-N

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General description

Glassy carbon shows only short range order in its structure. Photoacoustic doppler effect from the suspension of spherical carbon particles was investigated. Glassy carbon exhibits a specific conductivity of 700Scm-1. 4

Application

Amorphous carbon may be used to develop zero temperature coefficient of resistance (TCR) based systems. Glassy carbon has been used as a catalyst support for bimetallic Rh–ReOx. It may be used to enhance the accuracy of infrared (IR) surface temperature measurements on micro-electro-mechanical systems (MEMS).

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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From 5-hydroxymethylfurfural (HMF) to polymer precursors: catalyst screening studies on the conversion of 1, 2, 6-hexanetriol to 1, 6-hexanediol.
Buntara T, et al.
Topics in Catalysis, 55(5-7), 612-619 (2012)
Use of carbon microparticles for improved infrared temperature measurement of CMOS MEMS devices.
Hopper RH, et al.
Measurement Science and Technology, 21 null
Smart conducting polymer composites having zero temperature coefficient of resistance
Chu K, et al.
Nanoscale, 7, 471-478 (2015)
Photoacoustic doppler effect from flowing small light-absorbing particles.
Fang H, et al.
Physical Review Letters, 99, 184501-184501 null
T Southorn et al.
Journal of perioperative practice, 23(6), 144-146 (2013-08-06)
Currently, there are very few provisions for recycling in theatres. We measured the weight of clinical waste for several orthopaedic operations. This waste was then examined and sorted into domestic waste and clinical waste. With staff education it is possible
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