YS/T 744-2010Battery grade anhydrous lithium chloride (English PDF)

3.1 Chemical composition

The chemical composition of the product shall comply with the requirements in Table

1.

Products shall be submitted for acceptance in batches, each batch consisting of the same mixture. The net weight of each batch shall not exceed 5 t.

5.3 Inspection items

Each batch of products shall be inspected for chemical composition, physical properties, and appearance quality.

5.4 Sampling and sample preparation

5.4.1 Lithium chloride is a strongly hygroscopic material, and its representativeness shall be ensured every time when a sample is taken.

5.4.2 Randomly take 1 bag from less than 10 bags; randomly take 2 bags from 10 ~ 20 bags; randomly take 4 bags from more than 20 bags.

5.4.3 Stainless steel tubes or hard polyethylene samplers are used for product sampling.

The sampling tube is inserted along the center of the bag to 2/3 of the bag. After the sample is mixed, it is divided into about 300 g using the quartering method in a dry environment.

5.5 Determination of inspection results

5.5.1 If the chemical composition analysis results are inconsistent with the provisions of this Standard, double sampling is allowed to carry out repeated test for unqualified items. If there is still one unqualified result after repeated test, the batch will be determined unqualified.

5.5.2 If the moisture content is unqualified, the batch will be determined unqualified.

5.5.3 If the appearance quality inspection fails, the batch will be determined unqualified.

5.5.4 If the particle size quality inspection fails, the batch will be determined

unqualified.

5.5.5 If the whiteness quality inspection fails, the batch will be determined unqualified.

6.1 Marking

The outer packaging bag of the product shall indicate:

a) name of supply party;

b) product name;

c) batch number;

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