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- Results:In the qualitative analysis,all qualitative methods but potassium bichromate method were satisfactory. 結果:定性分析中,除重鉻酸鉀顯色法所得結果不十分理想外,其他各定性實(shí)驗均令人滿(mǎn)意。
- The main problems in determination of gold by the back titration for the excessive FeSO4 with potassium bichromate were discussed and experimented. 對重鉻酸鉀滴定過(guò)量硫酸亞鐵返滴定法測定金合金中金的主要問(wèn)題做了探討和實(shí)驗。
- Objective To observe the germicidal efficacy of compound potassium bichromate acid solution and its influencing factors. 目的觀(guān)察重鉻酸鉀復合酸液殺菌作用及其影響因素。
- The results show that the potassium bichromate plus nitric acid or glacial acetic acid has the best anti-corrosion effect. 采用硫化銨溶液進(jìn)行防腐試驗。結果表明,重鉻酸鉀加硝酸或冰醋酸的處理方法有很好的抗腐蝕效果。
- METHODS: Modified of determined results of the modified potassium bichromate method with that of the ion-exchange resins method( ch. 方法：以中國藥典（995版）子交換法做對照，用改進(jìn)重鉻酸鉀法測定復方乳酸鈉注射液中乳酸鈉含量。
- METHODS: Modified of determined results of the modified potassium bichromate method with that of the ion-exchange resins method (ch. 方法：以中國藥典（1995版）離子交換法做對照，用改進(jìn)重鉻酸鉀法測定復方乳酸鈉注射液中乳酸鈉含量。
- Abstract: The main problems in determination of gold by the back titration for the excessive FeSO4 with potassium bichromate were discussed and experimented. 摘要：對重鉻酸鉀滴定過(guò)量硫酸亞鐵返滴定法測定金合金中金的主要問(wèn)題做了探討和實(shí)驗。
- Traditional phosphating solutions usually contain sodium nitrite, potassium bichromate, sodium fluoride and nickel nitrate which are detrimental to human body and environment. 常規磷化液中通常含有亞硝酸鈉、重鉻酸鉀、氟化鈉或硝酸鎳等對人體和環(huán)境有害的物質(zhì)。
- This paper discussed the optimal conditions for the determination of residual alcohol in the fermented mash for Chinese highly-flavored liquor, using potassium bichromate colorimetry. 研究了重鉻酸鉀比色法檢測濃香型白酒發(fā)酵糟醅中殘余酒精含量的最佳測定條件。
- Keywords COD;potassium bichromate process; 重鉻酸鉀法;
- Determination of Nitrate from Calcium Nitrite by Potassium Bichromate Method 重鉻酸鉀法測定亞硝酸鈣溶液中硝酸根含量
- Keywords Potassium bichromate;Zincon;Catalytic spectrophotometry;Manganese; 重鉻酸鉀;鋅試劑;催化光度法;錳;
- Keywords iron;potassium bichromate;stannous chloride;methyl orange;titration; 鐵;重鉻酸鉀;氯化亞錫;甲基橙;滴定;
- OBSERVATION OF GERMICIDAL EFFICACY OF COMPOUND POTASSIUM BICHROMATE ACID SOLUTION 重鉻酸鉀復合酸液殺菌作用觀(guān)察
- The index is at the back (of the book). 索引在(書(shū)的)末尾。
- No potassium did we find in this mineral. 在這種礦石中我們沒(méi)有發(fā)現鉀。
- Influence of Potassium Bichromate Concentration and Storage Time of Sample on Determination of Milk Fat by Milko-Scan 重鉻酸鉀濃度和樣品貯存時(shí)間對Milkl-Scan測定乳脂肪的影響
- Automatic modification of the index register. 自動(dòng)修改變址寄存器內容。
- Keywords potassium bichromate;sulfuric acid;hydrochloric acid;oxidation-reduction potential;germicidal effect; 關(guān)鍵詞重鉻酸鉀;硫酸;鹽酸;氧化還原電位;殺菌作用;
- A person's face is often an index of his mood. 一個(gè)人的臉部表情常常反映這個(gè)人的情緒。
