化工基礎(chǔ)參考資料

密度99.8(99.0(附錄 常見基準(zhǔn)物質(zhì)的干燥條件和應(yīng)酸酸NaCl酸酸銅鋅附錄 分析中常用的標(biāo)準(zhǔn)溶 As2O3﹑Na2S2O3標(biāo)準(zhǔn)溶KMnO4KMnO4Na2S2O3Fe附錄 緩沖溶液的配 配制方氨基乙酸—150g500mL80mL1mL1000mL54.4g(CH3COONa·3H2O)92mL1000mL164g(CH3COONa·3H2O)84mL1000mL68g(CH3COONa·3H2O)，28.6mL1000mL100g(CH3COONa·3H2O)5.7mL1000乙酸一乙酸銨緩38.5g28.6mL000mL59.8g1.4mL000mL154g1000mL100g7.0mL1000mL70g48mL1000mL54g350mL1000mL40g10mL1000mL名配制方法（GR、AR稱取在(57±2)℃4～5h12.61g，1L，飽和酒石6.4g)和水放入玻璃30min，鄰苯二甲105±5℃2h10.12g，1L，磷酸氫二磷酸二氫鉀1L，搖勻。3.80g飽和氫氧2g)和水加入聚乙烯瓶23～272030min附錄 常用指示 pH百里酚藍(lán),1紅～0.1g4.3mL0.05mol/LNaOH黃～勻，加水稀釋成1001一次變色紅～0.1g90mL1001紅～0.1g90mL100甲基橙,1紅～0.1g100mL1藍(lán)紫～0.1g100mL溴酚藍(lán),1黃～0.1g3mL0.05mol/LNaOH加水稀釋成100溴甲酚綠,1黃～0.1g21mL，0.05mol/LNaOH勻，加水稀釋成100甲基紅,1紅～0.1g60mL1001黃～0.1g90mL1001黃～0.1g90mL100黃～0.1g50mL100中性紅,1紅～0.1g60mL1001黃～0.1g90mL1001黃～0.1g90mL100酚酞,10無色～1g90mL100百里酚酞,1無色～0.1g90mL100R,1黃～0.1g100mL 紫綠1g/L2.5g/L黃2g/LpH=3.5pH=4.3綠1g/L2g/L綠1g/L1g/LpH=5.4pH=5.61g/LpH=5.81g/LpH=6.2黃1g/L1g/L中性紅亞甲基藍(lán)綠1g/L1g/LpH=7.0溴百里酚藍(lán)一黃紫1g/LpH=7.2pH=7.6甲酚紅一百里黃紫1g/L1g/LpH=8.2pH=8.4百里酚藍(lán)一酚酞黃紫1g/L1g/L酚酞一百里酚酞無紫1g/L1g/LpH=9.6pH=10紅藍(lán)0.50gT2.0100mL.1.0gT100.0gNaCl二甲酚橙紅黃2g/L藍(lán)0.50g100.0gNaCl黃紫1.0g200.0gNaClK-B紅藍(lán)0.50gK1.250g25.0gK2SO4紅無10g/L紅黃2g/LCu-紅CuY-PAN指示劑,加熱至60ｏC左右,用EDTA滴至綠色,得到0.025mol/LCuY2～3mLPANV紫無1g100mL鈉紫無5g/L-紅0.5gFeSO4·7H2O100mL20.5g無0.2g100mL0.2%NaCO31.7g100mL0.025mol/LFe2+1g1mgHgI2)黃5gk2CrO440gNH4Fe(SO4)2·H2O溶于水,加幾滴硫酸,用水稀釋至0.5g0.1g0.5g無黃附錄 單位56789--------------------------------------------------------------------------------------------------------------------------附錄 天平常見故障及排1調(diào)節(jié)刀縫（0.5mm平處于工作狀態(tài)（自落2適長度不在2mm范（超過10分度0100.2~0.3mm顯示器顯示（容量（mL）:10,15,25,2/3 1000, 項 容量ABAA2BAA2B（無堿式期存放堿液；只有活塞式AA2BAB AA2B容量(mL):10,20,25,mL):5,10,15,30,外徑(mm):20,35,40,50,瓶高(mm):25,25,25,30, 1000,2000,3000,10000,容量上口直徑(mm):45,55,60, 度容量(mL)10,15,20,25,1/3；容量(mL):5,10,15,20,容量有效長度(m