Making standard solution as reference and preparing the simulation of reagents makes it possible that content of and cyanide in the sample can be measured with visual colorimetry.
制作标准溶液作为参比，制备模拟试剂，实现用目视比色法测定样品中微量磷和氰化物含量。
The influencing factor was studied quantitatively. The result showed that the amount of water was suitably controlled under 6% when making up the potassium hydroxide-enthanol standard solution.
对影响因素进行了定量研究，结果表明，配制氢氧化钾-乙醇标准溶液时，加水量宜控制在6%以下。
The influencing factor was studied quantitatively. The result showed that the amount of water was suitably controlled under 6% when making up the potassium hydroxide-enthanol standard solution.
对影响因素进行了定量研究，结果表明，配制氢氧化钾-乙醇标准溶液时，加水量宜控制在6%以下。
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