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- Results:In the qualitative analysis,all qualitative methods but potassium bichromate method were satisfactory. 结果:定性分析中,除重铬酸钾显色法所得结果不十分理想外,其他各定性实验均令人满意。
- The main problems in determination of gold by the back titration for the excessive FeSO4 with potassium bichromate were discussed and experimented. 对重铬酸钾滴定过量硫酸亚铁返滴定法测定金合金中金的主要问题做了探讨和实验。
- Objective To observe the germicidal efficacy of compound potassium bichromate acid solution and its influencing factors. 目的观察重铬酸钾复合酸液杀菌作用及其影响因素。
- The results show that the potassium bichromate plus nitric acid or glacial acetic acid has the best anti-corrosion effect. 采用硫化铵溶液进行防腐试验。结果表明,重铬酸钾加硝酸或冰醋酸的处理方法有很好的抗腐蚀效果。
- METHODS: Modified of determined results of the modified potassium bichromate method with that of the ion-exchange resins method( ch. 方法：以中国药典（995版）子交换法做对照，用改进重铬酸钾法测定复方乳酸钠注射液中乳酸钠含量。
- METHODS: Modified of determined results of the modified potassium bichromate method with that of the ion-exchange resins method (ch. 方法：以中国药典（1995版）离子交换法做对照，用改进重铬酸钾法测定复方乳酸钠注射液中乳酸钠含量。
- 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：对重铬酸钾滴定过量硫酸亚铁返滴定法测定金合金中金的主要问题做了探讨和实验。
- Traditional phosphating solutions usually contain sodium nitrite, potassium bichromate, sodium fluoride and nickel nitrate which are detrimental to human body and environment. 常规磷化液中通常含有亚硝酸钠、重铬酸钾、氟化钠或硝酸镍等对人体和环境有害的物质。
- 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. 研究了重铬酸钾比色法检测浓香型白酒发酵糟醅中残余酒精含量的最佳测定条件。
- Keywords COD;potassium bichromate process; 重铬酸钾法;
- Determination of Nitrate from Calcium Nitrite by Potassium Bichromate Method 重铬酸钾法测定亚硝酸钙溶液中硝酸根含量
- Keywords Potassium bichromate;Zincon;Catalytic spectrophotometry;Manganese; 重铬酸钾;锌试剂;催化光度法;锰;
- Keywords iron;potassium bichromate;stannous chloride;methyl orange;titration; 铁;重铬酸钾;氯化亚锡;甲基橙;滴定;
- OBSERVATION OF GERMICIDAL EFFICACY OF COMPOUND POTASSIUM BICHROMATE ACID SOLUTION 重铬酸钾复合酸液杀菌作用观察
- No potassium did we find in this mineral. 在这种矿石中我们没有发现钾。
- Influence of Potassium Bichromate Concentration and Storage Time of Sample on Determination of Milk Fat by Milko-Scan 重铬酸钾浓度和样品贮存时间对Milkl-Scan测定乳脂肪的影响
- Keywords potassium bichromate;sulfuric acid;hydrochloric acid;oxidation-reduction potential;germicidal effect; 关键词重铬酸钾;硫酸;盐酸;氧化还原电位;杀菌作用;
- Keywords potassium bichromate method;nitrate;calcium nitrite solution;potassium permanganate method; 重铬酸钾法;硝酸根;亚硝酸钙溶液;高锰酸钾法;
- MODIFIED POTASSIUM BICHROMATE METHOD FOR DETERMINATION OF THE CONTENT OF SODIUM LACTATE IN COMPOUND SODIUM LACTATE INJECTION 改进重铬酸钾法测定复方乳酸钠注射液中乳酸钠的含量
- Keywords Cold atom absorption spectrocopy Pretreatment（digestion） Temperature Acid value Mercury Potassium bichromate; 冷原子吸收;消化;温度;酸度;汞;重铬酸钾;
