| 1. | Chemical reagent - ammonium thiocyanate
化学试剂硫氰酸铵 |
| 2. | Ammonium thiocyanate for industrial use
工业硫氰酸铵 |
| 3. | Photography - processing chemicals - specifications for ammonium thiocyanate
摄影技术.洗片化学制品.硫氰酸铵规范 |
| 4. | Ammonium thiocyanate 98 % and
硫氰酸铵 |
| 5. | Methods for analysis of plating black nickel solutions part 5 : determination of ammonium thiocyanate content by potentiometric titrimetric method
电镀黑镍溶液分析方法第5部分:电位滴定法测定硫氰酸铵的含量 |
| 6. | Methods for the sampling and analysis of tin and tin alloys - method for the determination of silver in solders volumetric : ammonium thiocyanate method
锡及锡合金取样及分析方法.第7部分:焊料中银含量测定方法 |
| 7. | Manufacturer and exporter of sodium thiocyanate , ammonium thiocyanate , potassium thiocyanate , calcium thiocyanate , anthracite filter media , accelerators
-专业生产氟利昂制冷剂系列和熏蒸剂系列产品。包括公司介绍，质量保证等。 |
| 8. | All of 19 amino acid thiohydantoins were synthesized by using free amino acids as starting materials , acetic anhydride as the carboxyl group activating reagent and tms - itc as the derivatizing reagent . the proiine thiohydantoin was prepared by using ammonium thiocyanate ( n114scn ) as the derivatizing reagent
本文以l -氨基酸为原料，采用乙酸酐作活化试剂， tms - itc作为偶联试剂，制备了19种th - aa ，另外th - pro的制备是用nh _ 4scn作为偶联试剂获得成功的。 |
| 9. | Effects of the method analysing contents of iron ions in clarified brine on the production of chlorine and caustic soda are discussed . shortcomings of currently used analytical method - ammonium thiocyanate method are indicated , and a new effective method ? ? o - phenanthroline colorimetry is proposed
文中通过精盐水中铁离子浓度的分析方法对氯碱生产的影响的讨论，指出目前常用的硫氰酸铵法的不足之处，并提出了一种行之有效的精确度较高的分析法?邻菲罗啉比色法。 |
