Using methanol as solvent and sodium methanol standard solution as titrant,the certification of NTO standard substance was investigated by non-aqueous titration .

以甲醇為溶劑亚洲精品一二三区，采用甲醇鈉溶液作為滴定劑，通過非水滴定法對NTO的定值方法進(jìn)行研究国产初高中精品网，選擇了最佳條件骚虎视频在线观看。

The conditions for direct titrations of potassium in brine and salt with sodium tetraphenylborate as titrant and valinomycin potassium eletrode as indicator are investigated.

以纈氨霉素鉀電極指示，用四苯硼鈉直接電位滴定鹵水和鹽中的鉀精品妓女午夜福利视频。

The 2 g/L solution of potassium sulfate was employed for the dissolving of sample, and silver nitrate was used as titrant.

以2g/L 硫酸鉀為溶解試劑A片在线，硝酸銀為滴定劑，電位滴定法測定鐵礦石中的水溶氯性交欧美网，通過電極電位-濃度二次微商滴定曲線欧美一级婬片A片人杂交视，計算二次微商等于零時對應(yīng)的V為滴定終點，可省去繪制E-V曲線或ΔE/ΔV-V一次微商曲線作圖帶來的麻煩男人天堂色色无码。

The titrator adopts the peristaltic pump to drive the titrant, and adopts the optical switch to detect the number of drip.

該儀器采用蠕動泵驅(qū)動滴定劑91绿帽论坛，用光電開關(guān)檢測滴定劑滴數(shù)，根據(jù)滴數(shù)計算所用滴定劑的體積ww在线观视频免费观看。

A new method for the determination of copper in the copper ore leaching solution by precipitate complex reagent mixing solution separation out copper and by KIO3 as titrant is developed.

該法用沉淀絡(luò)合劑從混合液中將Cu沉淀分離出來亚洲A片免费视频在线观看，用KIO3滴定，具有簡便国产顶级导航在线观看AV、快速可以直接在线观看的AV、準(zhǔn)確、可靠等特點欧美乱伦图片，應(yīng)用于實際樣品的測定中口工漫画纯彩无遮挡H动态图，其結(jié)果與絡(luò)量法一致

Results A straight line through f-V points was obtained and its intersection point with the V-axis was just the volume of titrant at the equal amount point-Ve.

結(jié)果：獲得f-V點直線圖，直線與V軸交點即為等量點時滴定劑體積Ve黃色精品片免費看。

MERCURY SOLUTION FOR STANDARDIZING DITHIZONE TITRANT : Transfer 2.0 mL of Mercury Stock Solution to a 100-mL volumetric flask, and dilute with 1 N sulfuric acid to volume.

規(guī)范化的雙硫腙滴定試藥MERCURY解答：調(diào)動2.0 mL水星 Stock解答到100ml容量瓶日韩人妻一级毛片基地，和用1 N硫酸稀釋對容量。

In the solution,low concentration sulfate ions was determined by a direct titration with barium perchlorate as titrant and thorin as the indicator;the concentration of calcium ions was determined by a direct EDTA titration using Calcon carboxylic acid sodium salt as the indicator.

先用高氯酸將固體混合物溶解形成水溶液特级无码视频在线观看，然后以釷試劑為指示劑精品视频在线免费观看，用高氯酸鋇溶液滴定溶液中的微量硫酸根，并用EDTA法以鈣紅為指示劑滴定溶液中的鈣離子欧美第一黄站视频，從而可以計算出鈣基脫硫劑的固硫率(表示為脫硫后固體混合物中的鈣硫化)中日欧美野外日一级黄色A片在线日。

A new method of oscillographic titration for the determination of nitrogen content in flour is described The sample was digested with H 2SO 4 Na 2SO 4 CuSO 4 Oscillographic titration is conducted on NH + 4 with Na TPB method,then calculate the nitrogen content Compared with standard methods,this method choose innoxious titrant,has a sharp titration endpoint, needs no distillation absorption and indicator It has the advantages of being easy and quick in operation,and the determination re...

研究了面粉中蛋白質(zhì)含量的示波滴定法。樣品用H2 SO4 Na2 SO4 CuSO4 消化處理福利午夜在线，N以NH4 +的形式存在于試液中你懂的国产精品永久在线正确入口，用過量四苯硼鈉沉淀銨男插女黄色视频免费网站，沉淀過濾，過量的四苯硼鈉用氯化四乙基銨標(biāo)準(zhǔn)溶液返滴定久久支有精品，以四苯硼鈉切口消失為終點97在视频在线观看精品，計算出氮含量，再換算為蛋白質(zhì)含量看黄色大视频网站全在线观看。與通用的標(biāo)準(zhǔn)分析方法相比較插进去很舒服视频，本方法所用試劑無毒，終點變化敏銳男人和女人操逼网站，不需蒸餾吸收色多多在线www免费观看，不外加指示劑，具有操作簡便色色色视频免费网址、快速免费看毛片的网址，測定結(jié)果準(zhǔn)確可靠。

The direct amperometric titration of amines with sodium tetraphenylborate solution based upon anodic depolarization at a dropping mercury electrode by the use of excess TPB titrant, was systematically investigated.

本文研究了用pH8的四苯硼酸鈉水溶液對胺類的直接電流滴定法一级片入口。滴汞為陽極一级二级性爱视频，飽和甘汞為陰極，以3％瓊脂的飽和NaCl溶液為鹽橋組成電解池jiZZ成熟丰满女人。適宜的滴定條件是：外加電壓+0.18伏在线不卡精品；底液為pH 2-3的HAc-NaAc介質(zhì)，而以1％HAc更為方便真实处破痛哭视频在线观看；滴定體積為10-20毫升人人操人人干com。