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YS/T 261-1994 English PDF (YST261-1994)

YS/T 261-1994 English PDF (YST261-1994)

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YS/T 261-1994: Spodumene concentrate

This standard applies to spodumene concentrate products obtained through separation and enrichment, for the extraction of lithium and its compounds.
YS/T 261-1994 (Renamed from GB 6898-86)
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
UDC 549.642
YS/T 261-1994 / GB 6898-86
Spodumene concentrate
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ISSUED ON: SEPTEMBER 15, 1986
IMPLEMENTED ON: SEPTEMBER 01, 1987
Issued by: National Bureau of Standards
Table of Contents
1 Technical requirements ... 3
2 Test methods and inspection rules ... 4
3 Packaging, marking and quality certificate ... 5
Additional information ... 6
GB/ *6898-1986 "Spodumene concentrate" No.1 Amendment ... 6
Spodumene concentrate
This standard applies to spodumene concentrate products obtained through separation and enrichment, for the extraction of lithium and its compounds. 1 Technical requirements
1.1 According to chemical composition, smelting process requirements and uses, spodumene concentrate can be divided into three categories and a total of nine grades. The calculation based dry ore grade shall meet the requirements of the following Table.
Note: If the buyer requires otherwise, it can be negotiated by both parties. 1.2 The grain size of concentrate is specified as follows:
1.2.1 For the lump product of low-iron spodumene concentrate and spodumene concentrate for ceramics, the grain size shall be not more than 100 mm. 1.2.2 For the powdered product of spodumene concentrate for ceramics and chemical industry, those with a particle size of less than 0.074 mm is not less than 60%. For the powdered product of low-iron spodumene concentrate, those with a particle size of less than 0.074 mm is not less than 35%.
1.3 No foreign inclusions shall be mixed into the concentrate.
1.4 The moisture of lump concentrate is not more than 3%; the moisture of powder concentrate is not more than 8%.
3 Packaging, marking and quality certificate
3.1 The lump concentrate is packed in bags, each with a net weight of 50 kg; the bag opening is tightly sealed. The powdered concentrate is packed in bulk or bags. The specific requirements for bulk concentrates shall be negotiated by both parties. The net weight of each bag of concentrate in bags is 50 kg; the bag opening is tightly sealed.
3.2 The concentrate packaging bag shall indicate the following:
a. Name of supplier;
b. Product name;
c. Grade;
d. Batch number.
Note: If it is shipped in bulk, it can fill in the form and submit it to the buyer according to the above content.
3.3 Each batch of concentrate shipped to the buyer shall be accompanied by a quality certificate, indicating:
a. Name of supplier;
b. Product name;
c. Name of buyer;
d. Grade;
e. Batch number;
f. Chemical composition;
g. Number of packages;
h. Net weight;
i. Delivery date;
j. Number of this standard.
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