At the project results report meeting of the Ministry of Science and Technology, Ge Xinxin used a glass projector to report all her experimental results to several senior officials from the Ministry of Science and Technology and the Ministry of Industry. This included the atomic spectra of several samples she had taken.
"The direct benefit is that it can be used for qualitative analysis of most metals and metalloid elements and semi-quantitative analysis of trace and semi-trace major metal elements. In addition, except for the reference reagents, all equipment and consumables are based on what Space-Time Lingao can provide.
The finished product only needs further purification at most. This can greatly save the life of the equipment while reducing costs."
Although Dr. Zhong was sitting on the chair in the middle, he did not fully understand the entire experimental process. Therefore, he maintained absolute silence and let the people in the industry talk about the problem first - it seemed that several people were already eager to try it.
As if aware of what questions the other party might ask, Ge Xinxin continued:
"Of course there are problems. The glass bottom plates we can currently produce have insufficient reproducibility between batches. The sensitivity must be calibrated separately each time, and cannot be stored for a long time. It must be used as needed. And semi-quantitative analysis relies on
Due to the acquisition of high-purity standard samples, the reference reagents brought cannot last for a long time, and we must produce spectrally pure reference reagents ourselves. This is quite difficult for our still weak organic chemical industry. I am now
It is not an ideal choice to use sodium ferrocyanide, but it can be used as a makeshift substitute. Therefore, we can only do trace and semi-trace semi-quantitative analysis at the moment, and cannot perform trace analysis and quantitative analysis. Moreover, for
Some elements cannot be used. Generally speaking, it only provides a method and possibility. It is difficult to provide support for industry on a large scale in terms of specific application, and further improvement of equipment is needed."
"Let's not talk about this for now." Lin Hanlong from the optical factory asked, "What I'm concerned about is your developer and fixer chemicals. Looking at your experimental report, they are all used in stock. Is there sustainability?
"
"In the experiment, I used four chemicals: methamphetamine sulfate, hydroquinone, borax, and sodium sulfite to prepare the developer. I used sodium thiosulfate in the fixer, and then used acetic acid during rinsing. These chemicals
They are all on the list of self-produced drugs of the Ministry of Chemical Industry. It should be said that there is no problem with continuous supply."
She explained that based on the papers on chemical production she read in the magazine "Nature and Science" and the product catalog provided by the Chemical Industry Portal: among these chemicals, sodium sulfite, sodium thiosulfate and acetic acid are all currently available in chemical plants.
The sources of commonly used pharmaceuticals, methamphetamine sulfate and hydroquinone, are more troublesome. Coal chemicals are produced from coal tar fractionation and can only produce crude products.
"...With our current capabilities, it is a bit difficult to refine it. But it is not a big problem for development and fixation. Of course, this will inevitably lead to interference such as clouds. But we can only accept it."
"I feel that the success of this development is not of great significance to us..." Ji Wusheng said, "There are still some missing links that are difficult to make up. And it is not convenient to use photoelectric instruments." The person in charge of the steel industry habitually picked up a towel.
Wiping his forehead - there was actually not a drop of sweat on it, "I do think it is necessary to have a laboratory attached to our steel plant. It is still a bit troublesome to send people by train to deliver samples - especially melt samples."
"If this technology is successfully developed, spectral testing can be popularized in every factory that needs to measure elemental composition." Ge Xinxin saw that her results did not arouse a big response. She couldn't help but feel like "a pearl in the dark", "Let's talk about the future.
Steel and non-ferrous metal companies are bound to flourish everywhere, and it is impossible for the Planning Institute to equip every factory with a spectrometer."
"That's true." Ji Wusheng said, "I don't have any objections, as long as it works. Now the industry requires us to produce various alloys, and it will be much better to have this foundation."
"I don't have any objection either." Ji Tuisi said, "It's just that Ge Xinxin's actions have made the burden on our chemical industry a lot heavier."
"Steel is the backbone of modern industry. The chemical industry is the blood and flesh." Ge Xinxin smiled, "Nature is the most important thing."
This flattery was just right. Ge Xinxin saw smiles on several people's faces. She immediately returned to the topic while the iron was hot.
"The next improvement plan is to use a hydrogen-oxygen welding machine to replace the Bunsen burner. The temperature of the Bunsen burner is relatively low, and the gas contains more impurities, which easily interferes with the spectrum. Of course, the most ideal method is the arc method. After all, the hydrogen-oxygen welding machine is used.
As an excitation source, the flame itself has certain spectral characteristics, and the temperature is not high enough."
"We need to get all the equipment for the arc method. I can see three, five, four, and five, but I don't know if it will work," Zhan Wuya said.
"With hope comes motivation." Ge Xinxin said, "I have another idea, please consider it."
She proposed to set up a special chemical reagent workshop to provide chemical reagents, medicines and various consumables for laboratories. Currently, several laboratories are doing chemical analysis, and many medicines and reagents have begun to use products manufactured by this space-time chemical factory.
However, these products generally have problems of insufficient concentration and too many impurities. Therefore, each laboratory has to re-purify the chemical reagents before use, which involves a lot of manpower and material resources.
"... Nowadays, we have to do a lot of basic medicine preparation work ourselves, even distilled water has to be prepared by ourselves. It involves too much time and energy. And when there are more laboratories in the future, some new laboratories may not be able to carry out pharmaceutical preparations.
Purification. There should also be a certain amount of reserve of the developer and fixer this time. So I suggest that the equipment be centralized and scaled up, and that a veteran be responsible for the special preparation of these products."
"This is possible." Ji Tuisi originally had a similar idea, but he had too many things to manage and had no time to intervene. "But for a while, there was no suitable elder..."
"If you don't mind my self-recommendation, I am willing to take charge of this work." Ge Xinxin said without hesitation.
"Oh?" Ji Tuisi couldn't react. This is not a good job. It is tiring and quite dangerous. "Okay, since you are willing to do it, I think it's okay - but this matter still needs approval from the Planning Institute.
.”
After the meeting, Ji Wusheng took the commuter train back to his office at the Ma Niao Steel Complex. It was located in the office area of the Steel Complex, standing alone in the middle of a circular red brick square. In front of the small building, there was a
Model of blast furnace tapping for pig iron casting.
As usual, employees of the Iron and Steel Complex were running around in the square. They were wearing the uniform black uniforms of the steel plant - this is a special color work uniform that is only enjoyed by the Iron and Steel Complex. Color identification strips are used on the arms to mark the departments to which they belong, and the chests are sewed.
With name and number strip.
Ji Wusheng strode into the office and asked the secretary on duty in the "quarter office" about the current production situation.
"According to the report from the production dispatching room in the previous hour, everything is currently normal." Secretary Hui reported.
"Okay." Ji Wusheng walked into his office. His office is on the first floor. Unlike the offices of other senior officials, there is no floor on the floor, just a simple terrazzo floor. Although the secretary cleans it frequently, the floor is always dirty and messy.
, there are always black stains on the walls. Technicians and workers in the workshop are often called to the office by him to discuss problems and report work. He himself often has to go to the workshop and to the blast furnace, where he inevitably puts away the ashes.
Dregs and dust were stomped all over the floor.
On the coat rack on his desk hung the work clothes and safety helmet he used when he went to the workshop. In the pocket of the work clothes was a pair of protective glasses used by steel workers.
Ji Wusheng sat down on his wicker chair. Today, the Planning Institute notified him of the intention to attend this meeting. He vaguely understood: Now everyone is working hard to tackle key problems and pave the way for building bridges in materials science. As the responsible person of the steel company,
People, you have to make some achievements anyway.
It is true that elemental composition analysis is of great significance to the smelting of special steels such as silicon steel, but the silicon steel in this world has been produced since before there were spectrometers, relying on nothing more than chemical analysis. Of course, spectral analysis is better than simple
Chemical analysis is accurate, but this alone is not enough. Making silicon steel is a very complicated matter. Although at the last industrial department meeting, he gave a one-month deadline for the silicon steel trial-silicon steel he
It could indeed be made, and there was no difficulty in the raw materials, but Ji Wusheng was not sure what kind of silicon steel he could produce.
In China in the old time and space, it was not until 1954 that the first batch of hot-rolled silicon steel was produced, which shows the technical difficulty of this thing. According to the position on the technology tree, this is a technology that only came to light at the end of the 19th century and the beginning of the 20th century.
Point. It is very difficult for Lingao Industry to light up in advance.
Ji Wusheng and several veterans who have some research on steelmaking conducted a special study on this issue: It is impossible to make silicon steel by arc method. As for Ge Xinxin's proposal of making silicon first and then steel, he feels that it is not inevitable: after all
Many veterans in the industry are not sure whether copper can be used as a reducing agent to refine silicon, and new processes and new products will inevitably bring about the problem of adding more equipment.
The result of the research is to directly make ferrosilicon first, then make silicon steel, and then hot-roll silicon steel. There is definitely no way to pay attention to performance, but at least it is better than directly using low carbon steel.
For the refining of ferrosilicon, some people mentioned that the crucible method can be used to refining ferrosilicon, but several people discussed that it may be difficult for the crucible to reach a sufficient temperature, and the volume of the crucible is too small, so it is okay for refining a small amount of special steel.
It is too small for ferrosilicon, which is in high demand. (To be continued...)