Liquid milk freshness quick test box manual

YC176N01H_ liquid milk freshness _50 _250916

Liquid milk freshness quick test box manual

 
                
      
产品编号：YC176N01H

1简介

Acidity is evidence for estimating the freshness of milk and whether it is adulterated. The unit of acidity is
⁰T，高于规定酸度的为不新鲜乳。

2国标限量

national standard
GB19301-2010
"Raw Milk."
The acidity of raw milk and liquid milk (
⁰T）牛乳（12～18）、羊乳（6～13）。

3Detection principle

The acidity of the liquid milk is titrated with an alkaline solution, and the indicator shows the end point to obtain the acid content in the sample.

4检测范围

Raw milk, liquid milk.

5技术指标

detection lower limit
: Each drop of measurement solution is equivalent to the acidity of liquid milk
0.5⁰T

6样品测定

take
10.0 
mLMilk in
50 
mLor
100 
mLIn the triangular bottle, add
20 
mLpure
Water, add
4滴reagent
A
Mix well and use
reagent
B
Vertical titration to initial pink, and in
30秒内不退色为止。记录所消耗reagent
B
The number of drops (
D
）。同时做一份空白对照实验并记录所消耗reagent
B
The number of drops (
B
），将数据带入公式计算液态奶酸度（⁰T）。

Liquid milk acidity (
⁰T）=（D－B）×0.5

7注意事项

7.1 
滴定时注意将滴瓶垂直滴定，以减少误差。

7.2本方法测定的结果与国家标准规定值或样品标签标示值仅差1-3When dripping the liquid, the existence of on-site operation errors should be taken into account, and the samples that do not meet the standards should be sent to the laboratory for accurate quantification.

7.3检测用水及稀释用水建议用纯净水或蒸馏水。

7.4This product is only used for initial screening, and the final result is subject to the relevant national standards and methods.

8储存条件与有效期 

The reagent is in
4-30
Store in a cool and dry place away from light, the valid period is
12Month.

9试剂盒装箱单

Specifications:
 
50time
/
盒