50 tests / 86￥/tube

Nitrite 0～100 ppm test paper

【Scope of Application】 This test strip is suitable for on-site rapid detection of nitrite content in food and water.

【Instructions】

1) Dip test strip into test solution for 2-3seconds.

2) Remove and shake off excess

liquid .

3) Wait 60 seconds , then compare test pad with color chart .

【 Result Calculation 】

1) Nitrite content in liquid samples: is the number indicated next to the color chart.

2) Nitrite content in solid or semi-solid samples: Multiply the number marked next to the color card by the dilution factor of the sample.

3)Nitrite content in food: calculated as NaNO₂.

4) Nitrite content in water: Calculated in N, divide the number marked next to the color chart by 5.

【 Precautions 】

1）After decolorizing the colored sample, measure it or dilute it with pure water to colorless or light color before testing.

2）This method is a rapid on-site detection method, and accurate quantification is based on national standard methods.

3）Store in a cool and dry place.

Produced by Beijing Shian Xunda Technology Co., Ltd., China

E-mail：bjzw@vip.163.com