GRC (Graphite Reinformed by Carbon)
グラファイト粒子をプラスチックに分散混合し(70%以上）、焼結炭素化したC-C Compositeで、シャープペンシル芯組成の高純度炭素素材です。棒状の切断面・側面共に'edge構造'が多出しています。
a:炭化時に生じた気孔にoilを含浸させてあり、ブランク電流が少ないため水溶液系でので電極反応測定に適しています。
b:oil含浸を行っていないので多孔性炭素末端残基が多く、吸着力が大です。
Price List
What's new！ a-7, b-5
| catalog number | specification (unit:mm if not stated otherwise, u:micrometer) φ:diameter, L:length |
the number of items | price/yen |
|---|---|---|---|
| a-1 | rod(0.5φ,80L) with oil | 5+1 connector | 9,000 |
| a-2 | rod(0.5φ,40L) with oil | 5 with connector | 9,000 |
| a-3 | rod(0.3φ,80L) with oil | 5+1 connector | 9,000 |
| a-4 | rod(0.3φ,40L) with oil | 4 with connector | 9,000 |
| a-5 | rod(0.2φ,50L) with oil | 4 with connector | 9,000 |
| a-6 | rod(0.1φ,40L) with oil | 4 with lead wire | 11,000 |
| a-7 | rod(1.0φ,50L) with oil | 1 | option |
| b-1-1* | rod(0.035-0.04φ,30L) without oil (GRC fiber*) | 1 | option |
| b-1-2* | rod(0.06φ,30L) without oil (GRC fiber*) | 1 | option |
| b-2 | rod(0.5φ,50L) without oil | 5 | option |
| b-3 | rod(0.3φ,50L) without oil | 5 | option |
| b-4 | rod(0.1φ,50L) without oil | 5 | option |
| b-5 | rod(1.0φ,50L) without oil | 1 | option |
| b-6 | carbon soft plate (200x300, 1t) | 1 | 9,000 |
| b-6-1 | graphite powder (200x300, 0.2t) | 1 | option |
| b-7 | graphite powder (3,20,50,100,200,500μm) see (j-3-1～6) | 1 g | option |
produced by Mitsubishi Pencile Co.Ltd.
oil:silicon oil
*see the References of Cardiac myocyt holder for GRC fiber
References for GRC electrodes (2005-4-23 updated)
川窪隆昌：化学技術誌 ＭＯＬ 別冊1982 (10) １－６[鉛筆の芯]
H.Kaneko, K.Nozaki : Rev.Polarogr., 33, 55 (1987)
H.Kaneko, A.Negishi,
K.Aoki: Rev.Polarogr., 34, 2A08 (1988)
K.Aoki, T Okamoto,
H.Kaneko, K.Nozaki, A.Negishi : J.Electroanal.Chem.,
263, 323-331(1989) [Applicability of
graphite reinforcement carbon used as the lead of a mechanical pencil to
voltammetric electrodes]
S.Sujaritvanichpong,
K.Aoki: Electroanalysis, 1, 397 (1989)
K.Aoki, A.Kobayashi, N.Kato: Electroanalysis, 2, 31 (1990)
H.Kaneko, M.Yamada, K.Aoki : Anal.Sci., 6, 439-442 (1990)
[Determination of dopamine in solution of ascorbic acid at
graphite-reinforcement carbon electrode by differential pulse voltammetry]
青木幸一、小林篤史：分析化学, 41, 375 (1992)
[シャープペンシルの芯を作用電極、金を参照電極とする電気化学系を用いた定常流の都市水道水中に溶存するオゾンの定量分析]
金子浩子: ＣＰＣ研究会報告「炭素素原料科学の進歩Ⅵ」1994, 34-46 [炭素微小電極の電気化学特性]
H.Kaneko: Proc.Electrochem.Soc.,
1997, 433-439 [Recent change of electrochemical
property of commercially available GRC and development of new semi-micro carbon
electrode for voltammetry]
K.Miyazaki, G.Matsumoto, M.Yamada, S.Yasui, H.Kaneko : Electrochim.Acta, 44, 3809-3820
(1999) [Simultaneous voltammetric measurement of nitrite ion, dopamine,
serotonin with ascorbic acid on the GRC electrode]
金子浩子: JITA NEWS
11, 12 (2000) [炭素微小電極及びその製造方法]
K.Fushimi, M.Seo ：Electrochim.Acta、 47 121-127 (2001) [An SECM observation of dissolution distribution of
ferrous or ferric ion from a polycrystalline iron electrode]
S.Yasuda,S.Sugiura,N.KObayashi,H.Yamashita,K.Katoh,Y.Saeki,H.Kaneko,Y.Suda,R.Negishi.H.Sugi:
Am.J.Physiol.Heart cire, Physiol. 281, H1442-H1446 (2001) [A novel method
to study concentration characteristics of a single cardiac myocyte using carbon
fibers]
J.Jin,T.Hiroi,K.Sato,T.Miwa,T.Takeuchi: Anal.Sci.,
18, 549-554 (2002) [Use of
disposable GRC electrodes for the detection of phenol and chlorophenols in
liquid chromatography]