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。

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 8,000
a-2 rod(0.5φ,40L) with oil 5 with connector 8,000
a-3 rod(0.3φ,80L) with oil 5+1 connector 8,000
a-4 rod(0.3φ,40L) with oil 4 with connector 8,000
a-5 rod(0.2φ,50L) with oil 4 with connector 8,000
a-6 rod(0.1φ,40L) with oil 4 with lead wire 10,000
a-7 rod(1.0φ,50L) with oil 1 option
b-1-1* rod(0.035-0.04φ,30L) without oil (GRC fiber*) 1 5,000
b-1-2* rod(0.06φ,30L) without oil (GRC fiber*) 1 3,000
b-2 rod(0.5φ,50L) without oil 5 8,000
b-3 rod(0.3φ,50L) without oil 5 8,000
b-4 rod(0.1φ,50L) without oil 5 10,000
b-5 rod(1.0φ,50L) without oil 1 option
b-6 carbon soft plate (200x300, 1t) 1 10,000
b-7 graphite powder (3,20,50,100,200,500μm) see (j-3-1〜6) 1 g 2,000

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Y1994, 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]