COPPER CATHODES GOST 546-88 This copper is one of 100 Best Quality Russian Goods of 2000 Competition.

Copper cathodes are produced by depositing copper on permanent titanic cathode plates while electrolytic refining of copper-sulphate solution. Due to the process and four-stage washing, final cathode copper is of high quality.

This cathode copper is intended for production of wire rod, wires from copper and copper alloys.

Cathode copper quality:

REQ	Bi	Se	Te	Sb	As	Fe	Ni
GOST	0,0002*	0,0002*	0,0002*	0,0004	0,0005	0,001	0,002**
FACT	0,00007	0,00012	0,00005	0,00011	0,00007	0,00026	0,00013
REQ	Pb	Sn	S	O	Zn	P	Ag
GOST	0,0005	-	0,0015	0,01	-	0,0015***	0,002
FACT	0,00027	0,00008	0,00046	0,0012	0,00024	0,00002	0,00058

Notes:
*Bi, Se, Te give in sum less than 0.0003%.
**For sum of Ni, Zn, Si, Sn, Fe, Co.
*** For sum of P, Cr, Mn, As, Cd, Sb.

Actually, the total sum of normed impurities, except for oxygen, does not exceed 0.0030% when GOST 859-78 requirement is less than 0.0065%.

Cathodes meet Cu-CATH-1 grade of English standard BS 6017-1981.

Cathode dimensions are 4-6 x 860 x 1000 mm, average weight - 35 kgs. One side of cathode is smooth, another one is rough. The surface of cathodes is clean, well washed down. Cathodes are packed with 4 steel strips in stacks of 1600 kg average weight. The upper sheet is marked with the data: manufacturer's name, date of production, weight, manufacturer's brand, copper grade, cell number, stack number.

Cathode copper quality is approved by mean of contemporary laboratory equipment and methods: SHIMADZU atomic absorptive spectrometer, SPECTROFLAME atomic emission spectrometer, S-mat 550PC and O-mat 3500 gas-analysers of STROHLEIN, using SPECTROLAB S of SPECTRO for rapid analysis.

Quality System for copper cathode manufacture has been certified by both Russian GOSTSTANDART and German RW TÜV according to ISO 9002.