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Copper

7440-50-8 99.99%，5μm

Copper

7440-50-8 99.99%，5μm

YTTRIUM

7440-65-5 99.9% 3-15mm不规则颗粒

Platinum on activated carbon

Platinum on activated carbon

7440-06-4 99.9% 铂3*3mm 圆柱

YTTRIUM

7440-65-5 99.9% 不规则块状

Lutetium

7439-94-3 99.99% 块

Lead standard

7439-92-1 99.99%(高纯试剂)

GOLD

7440-57-5 99.99% 1-3μm

Iridium

7439-88-5 99.95% 200目

Germanium

7440-56-4 99.99% 325目

Germanium

7440-56-4 99.999% 3-5mm

Silver

Nickel

7440-02-0 99.9990%，5-10mm，颗粒

SCANDIUM

7440-20-2 钪片, 蒸馏树枝状

Iron

7439-89-6 球形，80μm

Europium

7440-53-1 99.99%,3-15mm

Palladium carbon

Palladium carbon

7440-05-3 99.9% 圆柱3mm*6mm

Palladium carbon

Palladium carbon

7440-05-3 5%负载于碳酸钙

Tungsten

7440-33-7 99.5% ,1-5μm

Europium

7440-53-1 99.9%,不规则块

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