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Product Background:Residual chlorine (total chlorine) includes free chlorine and combined chlorine where the free chlorine exists as hypochlorous acid , hypochlorite ion and simple substance chlorine and combined chlorine as chloramine and  organic chloramine . Usually due to chlorination, there exists surplus chlorine in water , which not only affects the taste and odor of the water, undermine its quality , but also may  react with  some organic matters in the water, generating  a series of chlorinated hydrocarbons, such as trichloromethane-bromoform, bromodichloromethane ,dichlorodibromomethane, which have teratogenic ,carcinogenic and mutagenic effects. In addition, surplus chlorine may generate chlorine gas, another toxic matter, which, when in excessive concentration , may cause damages to skin , mucosa,respiratory passage and other human organs, or even death. Hence, developing a new residual chlorine testing reagent enabling fast and simplified determination is of great importance for water  quality testing and  assessment. The researchers of Ningbo Thaile Chemical Technology Co. Ltd. have , after years of  in-depth study , successfully developed a new residual chlorine detection reagent , under the brand of "Thaile". The invention of this reagent can achieve better and reliable results with greatly simplified operation and lowered testing costs.

Product Theory: Use a specific high-sensitivity reagents, it can generate chemical reaction with chlorine and show color.

Product Use:Quick test residual chlorine in water.

Product Features:Accurate, easy to handle, inexpensive, easy to carry.

Method of Using:

1、Drip 3-4 drops of the reagent into 50ml of the solution being tested (which shall be colorless) and shake well. Read the residual chlorine value according to the color change of the solution, against the color code (the value of free chlorine can be determined immediately after adding the reagent and allow 10 minutes dwelling time for total chlorine).

2、When using this reagent, the color change only occurs when the solution being tested is of pH≤7, if pH＞7, please add a few more drops.

Cautions:This product is slightly irritating and aggressive, avoid inhaling. In case of skin or eye contacts, rinse with water.

Liability: The manufacturer and its authorized reagents are free from any liabilities due to taking by accident of children and misunderstanding or misuse of the users. If nickel contamination is suspected based on this test, consult an analytical testing laboratory and take the necessary precautions.

Appearance: Watery liquid.

Package of the Product: LDPE bottle.

Specifications:10ml

Product standard: TCS-WTR-2009

Validity: 6 months

Store: Store in the cool and keep away from child.

Manufacturer: NINGBO THAILE CHEMICAL TECHNOLOGY CO., LTD.

Website: http://www.thaile.cn