• TLC spray reagents of phosphorus molybdenum acid and bismuth potassium iodide indicated that it maybe contained the composition of alkaloids.

    碘化表明抗生素粗品中有含氮化合物。

    youdao

  • White crystal or offwhite powder, undissolving in water or alcohol, dissolving in concentrated sulphuric acid or hydrochloric acid or ammonia or potassium iodide.

    白色结晶灰白色粉末,见光易分解变成棕黄色。不溶于乙醇。溶于硫酸盐酸,亦溶于氨水碘化钾

    youdao

  • The results showed that the methods of iodine-iodide kalium, TTC or modified TTC, FDA, mineral acid were not able to detect the pollen viability of chrysanthemum.

    结果表明-碘化钾TTC法及改进TTC法、无机法和荧光染色法适合菊属植物花粉生活力的检测

    youdao

  • Phenoxyacetic acid was synthesized with phenol and chloroacetic acid as raw material and tetrabutylammonium iodide as catalyst, the yield can reach 96.2%under the optimun conditions.

    苯酚乙酸原料,四丁基化铵为催化剂合成了苯氧乙酸,收率达96 2 %。

    youdao

  • Phenoxyacetic acid was synthesized with phenol and chloroacetic acid as raw material and tetrabutylammonium iodide as catalyst, the yield can reach 96.2%under the optimun conditions.

    苯酚乙酸原料,四丁基化铵为催化剂合成了苯氧乙酸,收率达96 2 %。

    youdao

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