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- home > Supply > Dispensing chemical reagents, fine Chi Bose equipment (certified), chemical reagents
Information Name: | Dispensing chemical reagents, fine Chi Bose equipment (certified), chemical reagents |
Published: | 2014-12-30 |
Validity: | 0 |
Specifications: | Limited |
Quantity: | |
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Detailed Product Description: | NaOH skin contact: Immediately wash with water can not, you should use dry cloth, then rinse with plenty of water. If it burns, medical treatment. Eye contact: immediately filed eyelid import of chemical reagents, flush with running water for at least 15 minutes or saline. Or rinse with 3% boric acid solution. Medical treatment. Inhalation: rapidly from the scene to fresh air. Artificial respiration if necessary. Medical treatment. Ingestion: patients immediately clear mouthwash, oral diluted vinegar or lemon juice, and medical treatment. Fire fighting methods: mist of water, sand. Name: the color range of color indicator type indicator is not affected by an amount of, but the indicator itself is an acid or a base, to consume a certain color indicator titrant alcohols chemical reagents, thereby increasing the measurement error. For monochrome indicator, the amount of excess, the color range is used to move the pH value decreases occurred direction will increase the titration error. For example: with 0.1mol / LnaOH titration 0.1mol / LHAc, pHsp = 8.5, range jump for pH8.70-9.00 chemical reagents, titration volume if it is 50ml, drip 2-3 drops of phenolphthalein, appeared about pH = 9 时red; if 10-15 drops of phenolphthalein was added dropwise, pH = 8 in the event of red. Obviously the latter titration error is much greater. Indicator excessive amount, but also affect the color of acumen. For example: methyl orange as indicator chemicals ethanol, titrated with NaOH HCl solution, the end of an orange, if the amount of excess methyl orange end acumen on the poor. Dispensing chemical reagents, fine Chi Bose equipment (certified), chemical reagents from Dongguan Changan Jing Chi Bose equipment operators offer. Dongguan Changan Jing Chi Bose equipment operators (www.jingchb.com) is an industry leader in Dongguan, Guangdong, chemical reagents, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In essence Chi Bose equipment led the staff warmly welcome all inquiries negotiations to create Jing Chi Bose equipment a better future. |
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Copyright © GuangDong ICP No. 10089450, Dongguan Changan Jing Chi Bose equipment operators All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
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You are the 9861 visitor
Copyright © GuangDong ICP No. 10089450, Dongguan Changan Jing Chi Bose equipment operators All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
AllSources Network's Disclaimer: The legitimacy of the enterprise information does not undertake any guarantee responsibility