Detail of "866-81-9"
- CAS Number:
- 866-81-9
- Name:
1,2,3-Propanetricarboxylicacid, 2-hydroxy-, cobalt(2+) salt (2:3)
- Molecular Structure:
- Formula:
- C6H8 O7 . 3/2 Co
- Molecular Weight:
- 554.999
- Synonyms:
- Citricacid, cobalt(2+) salt (2:3) (8CI); Cobalt citrate (6CI,7CI); Cobaltous citrate
- Density:
- g/cm3
- Boiling Point:
- 309.6°Cat760mmHg
- Flash Point:
- 155.2°C
1,2,3-Propanetricarboxylicacid, 2-hydroxy-, cobalt(2+) salt (2:3)
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Reference
- Coated steel sheets having high resistance to corrosion and blackening
- Coated steel sheets having high resistance to corrosion and blackening. Saito, Katsushi; Miyauchi, Yujiro (Nippon Steel Corp., Japan). Jpn. Kokai Tokkyo Koho JP 03161333 A2 11 Jul 1991 Heisei, 7 pp. (Japan). CODEN: JKXXAF. CLASS: ICM: B32B015-08. ICS: C23C002-26; C23C022-24; C23C028-02. APPLICATION: JP 89-302664 21 Nov 1989. DOCUMENT TYPE: Patent CA Section: 55 (Ferrous Metals and Alloys) Section cross-reference(s): 42 Dip galvanized steel sheets are successively coated with Ni and/or Co, or their oxides at 0.5-50 mg metal/m2, SiO2-contg. chromate layer at 10-100 mg Cr/m2, and polymer at 0.3-3.0 mg/m2. Preferably, the chromate layer contains Co or Ni compds., and polymer layer contains Co complexes, Ni complexes, SiO2, carbon black, and/or chromate.In this experiment, several chemicals are used like 7440-48-4 and 866-81-9 Thus, a steel sheet having Zn-5% Al alloy coating was successively coated with Ni at 1 mg/m2, Cr-SiO2 layer at 30 mg Cr/m2 and 180 mg SiO2/m2, and polyurethane at 1 g/m2. The coated sheet showed high resistance to corrosion and blackening. .