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result

About the content of the result

Regarding the length of copper 1 and copper 2, copper 1 is 2 cm x 1 cm and copper 2 is 10 cm x 1 cm.
The numbers written in the results other than copper 1 and copper 2 are the numbers counted from the front.

September 11

ContentsWater volumeFlower lengthFlower condition
Citric acid 198ml10.8cmFlower is broken
Citric acid 296ml14.9cmFlower is broken
Citric acid 392ml11.5cmFlower is broken
Citric acid 498ml13.3cmFlower is broken
Citric acid 598ml11.7cmFlower is broken
Vinegar 196ml13.7cmFlower is broken
Vinegar 299ml16.2cmFlower is broken
Vinegar 397ml18.2cmFlower is broken
Vinegar 4100ml11.7cmFlower is broken
Vinegar 5105ml14.4cmFlower is broken
Carbonated water 1103ml35.7cm
Carbonated water 2102ml36.1cm
Carbonated water 3101ml34.9cm
Carbonated water 496ml35.9cm
Carbonated water 5103ml36.4cm
Copper 2 First from the front101ml36.5cm
Copper 2 Second from the front100ml35.7cm
Copper 2 3rd from the front100ml36.8cm
Copper 2 4th from the front99ml36.1cm
Copper 2 5th from the front98ml35.2cm
Copper 1 First from the front98ml17.9cmFlower is broken
Copper 1 Second from the front99ml35.7cm
Copper 1 3rd from the front100ml36.8cm
Copper 1 4th from the front100ml35.4cm
Copper 1 5th from the front99ml36.6cm

September 15

ContentsWater volumeFlower lengthFlower condition
Citric acid 193ml11.0cmFlower is broken
Citric acid 290ml14.9cmFlower is broken
Citric acid 385ml11.4cmFlower is broken
Citric acid 491ml13.8cmFlower is broken
Citric acid 592ml11.4cmFlower is broken
Vinegar 189ml14.7cmFlower is broken
Vinegar 292ml17.4cmFlower is broken
Vinegar 398ml18.6cmFlower is broken
Vinegar 494ml12.8cmFlower is broken
Vinegar 594ml14.7cmFlower is broken
Carbonated water 199ml35.4cm
Carbonated water 295ml36.3cm
Carbonated water 392ml36.7cm
Carbonated water 483ml35.3cm
Carbonated water 595ml37.5cm
Copper 2 First from the front94ml36.1cm
Copper 2 Second from the front94ml36.6cm
Copper 2 3rd from the front92ml37.6cm
Copper 2 4th from the front94ml36.3cm
Copper 2 5th from the front89ml35.4cm
Copper 1 First from the front91ml16.3cmFlower is broken
Copper 1 Second from the front92ml36.8cm
Copper 1 3rd from the front92ml37.3cm
Copper 1 4th from the front93ml36.2cm
Copper 1 5th from the front91ml37.6cm

September 18

ContentsWater volumeFlower lengthFlower condition
Citric acid 1××Flowers are broken Also mold is growing
Citric acid 2××Flowers are broken Also mold is growing
Citric acid 3××Flowers are broken Also mold is growing
Citric acid 4××Flowers are broken Also mold is growing
Citric acid 5××Flowers are broken Also mold is growing
Vinegar 1xxFlowers are broken Also mold is growing
Vinegar 2xxFlowers are broken Also mold is growing
Vinegar 3xxFlowers are broken Also mold is growing
Vinegar 4xxFlowers are broken Also mold is growing
Vinegar 5xxFlowers are broken Also mold is growing
Carbonated water 188ml35.5cm
Carbonated water 289ml33.5cm
Carbonated water 384ml36cm
Carbonated water 473ml35.5cm
Carbonated water 588ml38cm
Copper 2 First from the front90ml36.5cm
Copper 2 Second from the front87ml36cm
Copper 2 3rd from the front86ml37.5cm
Copper 2 4th from the front84ml36cm
Copper 2 5th from the front80ml35.5cm
Copper 1 First from the frontxxFlowers are broken Also mold is growing
Copper 1 Second from the front87ml35cm
Copper 1 3rd from the front86ml37.2cm
Copper 1 4th from the front84ml35.5cm
Copper 1 5th from the front85ml37.5cm

September 22

ContentsWater volumeFlower lengthFlower condition
Citric acid 1xxFlowers are broken Also mold is growing
Citric acid 2xxFlowers are broken Also mold is growing
Citric acid 3xxFlowers are broken Also mold is growing
Citric acid 4xxFlowers are broken Also mold is growing
Citric acid 5xxFlowers are broken Also mold is growing
Vinegar 1xxFlowers are broken Also mold is growing
Vinegar 2xxFlowers are broken Also mold is growing
Vinegar 3xxFlowers are broken Also mold is growing
Vinegar 4xxFlowers are broken Also mold is growing
Vinegar 5xxFlowers are broken Also mold is growing
Carbonated water 189ml35.3cm
Carbonated water 280ml36.6cm
Carbonated water 380ml17.7cmFlower is broken
Carbonated water 465ml31.7cmFlower is broken
Carbonated water 585ml38.9cm
Copper 2 First from the front82ml36.1cm
Copper 2 Second from the front83ml36.2cm
Copper 2 3rd from the front80ml37.2cm
Copper 2 4th from the front79ml35.7cm
Copper 2 5th from the front76ml35.8cm
Copper 1 First from the front××Flowers are broken Also mold is growing
Copper 1 Second from the front80ml36.5cm
Copper 1 3rd from the front80ml37.8cm
Copper 1 4th from the front82ml37.2cm
Copper 1 5th from the front80ml39.4cm

Evaluation

This time, we conducted experiments with 5 types of disinfectants, and as a result, 2 types of washed copper and then carbonated water gave good results. From these, it is possible that citric acid and vinegar had too high a pH and damaged the flowers.

殺菌

Reflection and improvement

First of all, regarding the reason why the copper plate, which did not extend its life so much last time, extended its life, I used baking soda when wiping off fingerprints etc. on the copper plate last time. It is possible that the baking soda has exerted a bactericidal effect. In addition, there was an accident such as spilling, and the number of samples decreased. I will pay attention to these and carry out the third experiment.

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