The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以正庚醛、硫代硫酸钠和溴代正丁烷为原料,正庚醛正丁硫醇缩醛。

With sodium hyposulphite standard solution used in titration and starch developing agent as indicator,iron content can be determined.

以硫代硫酸钠标准溶液漓定,以淀粉显色为指示剂,可测定铁含量。

After comparison,sodium hyposulfite is the preferred absorbent,which the resultant has no influence on the environment with sodium hyposulfite over absorbed dose.

比较,硫代硫酸钠吸收量大,生物对环境没有影响,为首选吸收剂。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的进行比较研究,认为硫氢化钠法和硫代硫酸钠法生产本低,适宜于选矿用巯基乙酸的生产,而硫脲法可得到较高浓度的巯基乙酸。

The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以正庚醛、代酸钠和溴代正烷为原料,合成了正庚醛正缩醛。

With sodium hyposulphite standard solution used in titration and starch developing agent as indicator,iron content can be determined.

以代酸钠标准溶液漓定,以淀粉显色为指示剂,可测定铁含量。

After comparison,sodium hyposulfite is the preferred absorbent,which the resultant has no influence on the environment with sodium hyposulfite over absorbed dose.

比较,代酸钠吸收量大,生成物环境没有影响,为首选吸收剂。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文乙酸的合成工艺进行了比较研究,认为氢化钠法和代酸钠法生产成本低,适宜于选矿用乙酸的生产,而脲法可得到较高浓度的乙酸。

The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以正庚醛、酸钠和溴正丁烷为原料,合成了正庚醛正丁醇缩醛。

With sodium hyposulphite standard solution used in titration and starch developing agent as indicator,iron content can be determined.

以酸钠标准溶液漓,以淀粉显色为指示剂,可测量。

After comparison,sodium hyposulfite is the preferred absorbent,which the resultant has no influence on the environment with sodium hyposulfite over absorbed dose.

比,酸钠吸收量大,生成物对环境没有影响,为首选吸收剂。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的合成工艺进行了比研究,认为氢化钠法和酸钠法生产成本低,适宜于选矿用巯基乙酸的生产,而脲法可得到高浓度的巯基乙酸。

The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以庚醛、硫硫酸钠和丁烷为原料,合成了庚醛丁硫醇缩醛。

With sodium hyposulphite standard solution used in titration and starch developing agent as indicator,iron content can be determined.

以硫硫酸钠标准溶液漓定,以淀粉显色为指示剂,可测定铁含量。

After comparison,sodium hyposulfite is the preferred absorbent,which the resultant has no influence on the environment with sodium hyposulfite over absorbed dose.

比较,硫硫酸钠吸收量大,生成物对环境没有影响,为首选吸收剂。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的合成工艺进行了比较,为硫氢化钠法和硫硫酸钠法生产成本低,适宜于选矿用巯基乙酸的生产,而硫脲法可得到较高浓度的巯基乙酸。

The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以正庚醛、酸钠和溴正丁烷为原料,合成了正庚醛正丁醇缩醛。

With sodium hyposulphite standard solution used in titration and starch developing agent as indicator,iron content can be determined.

以酸钠标准溶液漓,以淀粉显色为指示剂,可测量。

After comparison,sodium hyposulfite is the preferred absorbent,which the resultant has no influence on the environment with sodium hyposulfite over absorbed dose.

比,酸钠吸收量大,生成物对环境没有影响,为首选吸收剂。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的合成工艺进行了比研究,认为氢化钠法和酸钠法生产成本低,适宜于选矿用巯基乙酸的生产,而脲法可得到高浓度的巯基乙酸。

The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以正庚醛、硫代硫酸钠和溴代正丁烷为原料,合成了正庚醛正丁硫醇缩醛。

With sodium hyposulphite standard solution used in titration and starch developing agent as indicator,iron content can be determined.

以硫代硫酸钠标准溶液漓定,以淀粉显色为指示剂,可测定铁。

After comparison,sodium hyposulfite is the preferred absorbent,which the resultant has no influence on the environment with sodium hyposulfite over absorbed dose.

,硫代硫酸钠吸收大,生成物对环境没有影响,为首选吸收剂。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的合成工艺进行了研究,认为硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用巯基乙酸的生产,而硫脲法可得到高浓度的巯基乙酸。

The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以正庚醛、硫代硫酸钠和溴代正丁烷为原料,合成了正庚醛正丁硫醇缩醛。

With sodium hyposulphite standard solution used in titration and starch developing agent as indicator,iron content can be determined.

以硫代硫酸钠标准溶液漓定,以淀粉显色为指示剂,可测定铁含量。

After comparison,sodium hyposulfite is the preferred absorbent,which the resultant has no influence on the environment with sodium hyposulfite over absorbed dose.

比较,硫代硫酸钠吸收量大,生成物对环境没有影响,为首吸收剂。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的合成工艺进行了比较研究,认为硫氢化钠法和硫代硫酸钠法生产成本低,适矿用巯基乙酸的生产,而硫脲法可得到较高浓度的巯基乙酸。

The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以正庚醛、代酸代正丁烷原料,合成了正庚醛正丁醇缩醛。

With sodium hyposulphite standard solution used in titration and starch developing agent as indicator,iron content can be determined.

以代酸标准溶液漓定,以淀粉显色指示剂,可测定铁含量。

After comparison,sodium hyposulfite is the preferred absorbent,which the resultant has no influence on the environment with sodium hyposulfite over absorbed dose.

比较,代酸吸收量大,生成物对环境没有影响,首选吸收剂。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的合成工艺进行了比较研究,氢化法代酸法生产成本低,适宜于选矿用巯基乙酸的生产,而脲法可得到较高浓度的巯基乙酸。

The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以正庚醛、代酸钠和溴代正烷为原料,合成了正庚醛正缩醛。

With sodium hyposulphite standard solution used in titration and starch developing agent as indicator,iron content can be determined.

以代酸钠标准溶液漓定,以淀粉显色为指示剂,可测定铁含量。

After comparison,sodium hyposulfite is the preferred absorbent,which the resultant has no influence on the environment with sodium hyposulfite over absorbed dose.

比较,代酸钠吸收量大,生成物环境没有影响,为首选吸收剂。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文乙酸的合成工艺进行了比较研究,认为氢化钠法和代酸钠法生产成本低,适宜于选矿用乙酸的生产,而脲法可得到较高浓度的乙酸。