Name | Specifications | Packing | Price | Delivery |
Ammonium thioglycolate solution | 試劑級(jí),70%溶液 | 250ml | RMB 165 | Consulting service |
Ammonium thioglycolate solution | 試劑級(jí),70%溶液 | 500ml | RMB 275 | Consulting service |
Ammonium thioglycolate solution | 試劑級(jí),70%溶液 | 1L | RMB 429 | Consulting service |
項(xiàng)目 試劑級(jí)
外觀Appearance 帶有特殊氣味的無(wú)色透明溶液
鑒別試驗(yàn):
胺鹽ammonium: 陽(yáng)性
硫醇mercaptane: 陽(yáng)性
純度Purity 68.0 - 72.0 % (碘量法 )
pH 5.8 - 6.4
鐵Iron (Fe) <0.2 ppm
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