少妇被猛男粗大的猛进出,亚洲 欧美 动漫 少妇 自拍,日韩免费视频,青春草在线视频免费观看

訂購(gòu)電話:4001650900

Copper

Cas:
7440-50-8
Molecular Structure:
MDL:
MFCD00010965
Molecular Formula:
Cu
Molecular Weight:
63.54
Alias:
Product order:
Name Specifications Packing Price Delivery
Copper AR 500g RMB 121
Copper AR 500g RMB 165
Copper SP 25g RMB 88
Copper 4N,99.99% 25g RMB 88
Copper 1.0mg/l ,分析標(biāo)準(zhǔn)品 20ml RMB 77
Copper 4N,99.99% 100g RMB 308
Copper AR 100g RMB 44
Copper 99.9%,80-100nm 10g RMB 154
Copper 99.9%,80-100nm 50g RMB 539
Copper 99.9%,80-100nm 250g RMB 1958
Copper 99.9%,10-30nm 10g RMB 209
Copper 99.9%,10-30nm 50g RMB 869
Copper 99.9%,10-30nm 250g RMB 3927
Copper 99.9%,D50(1.0~3.0μm) 500g RMB 1188
Copper 99.9%,D50(1.0~3.0μm) 100g RMB 275
Copper 99.9%,D50(1.0~3.0μm) 25g RMB 77
Copper 99.9%,D50(0.6~1.0μm) 500g RMB 1397
Copper 99.9%,D50(0.6~1.0μm) 100g RMB 319
Copper 99.9%,D50(0.6~1.0μm) 25g RMB 88
Copper 99.9%,D50(0.2~0.55μm) 500g RMB 1617
Copper 99.9%,D50(0.2~0.55μm) 100g RMB 385
Copper 99.9%,D50(0.2~0.55μm) 25g RMB 121
Copper 99.9%,D50(1.0~3.0μm) 25kg Inquiry
Copper 99.9%,D50(0.6~1.0μm) 25kg Inquiry
Copper 99.9%,D50(0.2~0.55μm) 25kg Inquiry
Copper 4N,99.99% 500g RMB 1419
Character:
微紅色有光澤具有延展性的金屬,露置空氣中變暗色,在濕空氣中表面變成綠色的堿式碳酸鹽,常制成塊狀、片狀、箔狀、絲狀或粉末等。能很快溶于稀硝酸和熱濃硫酸,也溶熱濃的氫溴酸,在冷鹽酸、稀硫酸或氨水中溶解緩慢。能與乙酸或其他有機(jī)酸起作用。
熔點(diǎn):1083℃
沸點(diǎn):2595℃  
密度:8.92 
Quality Standard:
項(xiàng)目                               分析純  
                                    (AR)
含量(Cu)Assay,%                    ≥ 99.5
硝酸不溶物Insoluble matter,%       ≤ 0.01
硫化氫沉淀物Snbstances not prec-
ipitated by hydrogen sulfide,%     ≤ 0.04
鐵(Fe)Iron,%                       ≤ 0.01
砷(As)Arsenic,%                    ≤ 0.001
銀(Ag)silver,%                     ≤ 0.002
銻和錫(以Sn計(jì))Antimony and tin,%   ≤ 0.01
鉛(Pb)Lead,%                       ≤ 0.01
Storage:
密封保存。
試劑、合金、電鍍。
上海紫一試劑廠   ? 2025 All Rights Reserved      備案號(hào):滬ICP備19037119號(hào)-1     
網(wǎng)站地圖:
試劑CAS試劑分類試劑產(chǎn)品實(shí)驗(yàn)儀器耗材分類實(shí)驗(yàn)儀器耗材新聞資訊
   滬公網(wǎng)安備 31012002003055號(hào)