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5.
5.
Weigh about 5g of laboratory sample, accurate to 0.
5.
The mass fraction of loss on drying w 3 , the value is expressed in %, calculated according to formula (3):
Where:
m—The value of the mass of the sample before drying, in grams (g);
m 1 —The value of the mass of the sample after drying, in grams (g)
Take the arithmetic mean of the two parallel determination results as the determination result, and the absolute difference between the two parallel determination results shall not exceed 0.
5.
According to the provisions of GB/T617
Take the arithmetic mean of the two parallel determination results as the determination result
6 Inspection rules
6.
6.
6.
a) Update key production processes;
b) The main raw materials have changed;
c) Stop production and resume production;
d) There is a big difference between the factory inspection results and the last type inspection;
e) Contract stipulations
6.
6.
6.
4 Glycine ethyl ester hydrochloride should be inspected by the quality inspection department of the manufacturer
.
The manufacturer shall ensure that the products shipped out of the factory meet the requirements of this standard, and each batch of products shipped shall be accompanied by a quality certificate in a certain format, which includes: the name of the manufacturer, the name of the product, the product grade, the quantity, the batch number, the date of production, and the this standard number and so on
.
6.
5 The test result is judged according to the rounding value comparison method in GB/T1250
.
If one of the inspection results does not meet the requirements of this standard, samples should be taken from twice the amount of packaging units for re-inspection.
Even if only one indicator does not meet the requirements of this standard, the entire batch of products will be unqualified
.
7 Marking, packaging, transportation and storage
7.
1 Logo
The packaging bag of ethyl glycinate hydrochloride should be printed with an obvious logo, and its contents include the name of the manufacturer, the address, the product name, the net quality, the trademark, the batch number, the date of production, the shelf life and the number of this standard
.
7.
2 Packaging
Glycine ethyl ester hydrochloride is packed in double-layer polyethylene inner bag, and outer polypropylene woven bag or carton
.
The net weight of each package is 20kg, or it can be packaged according to user needs
.
7.
3 Transportation
Glycine ethyl ester hydrochloride should be protected from sunlight and rain during transportation
.
7.
4 Storage
Glycine ethyl ester hydrochloride should be stored in a dry and ventilated warehouse
.
Under the conditions of packaging, transportation and storage in accordance with this standard, glycine ethyl ester hydrochloride has a shelf life of 12 months from the date of production
.
After the expiry date, the product can be re-inspected according to this standard.
If the test result meets the requirements of this standard, the product can still be used
.
Related links: Ethyl Glycinate Hydrochloride (2)