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锗(Ge)ICP-MS标准溶液,10000mg/L±0.3%溶于1% HNO3
圆珠笔
2-氨基-5-甲基吡嗪
结晶紫
SEPARATORY FUNNEL, 1000:20 ML, CYL. GRADUATED BOROS. GLASS, DETACHABLE PTFE-STOPCOCK, ACC. TO DIN
Laboratory sieve, ?:200 mm, inside height: 25 mm, mesh 212μm, with wire gauze, temperature resistance up to 170°C, stainless steel
Tygon ST R-3607 3止动管,1.09mm内径,总长400mm
乙腈中胺苯磺隆-甲基溶液
AA Grade Hafnium, 50 mL 1,000 mg/L in 2% HNO3 + 0.5% HF
鲜奶油中的脂肪 30%-40%,滴定酸度