1,1-Dichloro-1-fluoroethane for industrial use (HCFC-141b) (3)

4.

Carry out according to the regulations in 2.

Take the arithmetic mean of the two parallel determination results as the determination result, and the relative deviation of the two parallel determination results shall not exceed 40%

4.

Carry out according to the regulations of GB/T7376 (coulomb electric quantity method can also be used)

Take the arithmetic average of the two parallel determination results as the determination result, and the difference between the two parallel determination results shall not exceed 0.

4.

According to the provisions of 2.

Take the arithmetic average of the two parallel determination results as the determination result, and the difference between the two parallel determination results shall not exceed 0.

5 Inspection rules

5.

5.

Each batch of products should be accompanied by a quality certificate in a certain format, including: product name, manufacturer name, factory address, batch number or production date and the number of this standard

5.

5.

5.

5.

6 Packaging, marking, transportation and storage

6.
1 1,1-Dichloro-1-fluoroethane for industrial use should be packed into clean and dry iron drums coated with fluorine-containing anti-corrosion paint, with a net weight of 50kg or 250kg per drum; or into a special liquid tanker and so on
.
It can also be packaged according to user requirements.

6.
2 Industrial 1,1-dichloro-1-fluoroethane packaging containers are coated with dark blue paint, and the container should have a firm and clear logo, including: product name, trademark, manufacturer name, site, and net weight , Batch number, wood standard number and the signs of "upward" and "fear of the sun" stipulated by GB191
.
6.
3 The iron drum containing 1,1 dichloro-1-fluoroethane is strictly prohibited from hitting, dragging, dropping and direct exposure during loading and unloading
.

6.
4 1,1-Dichloro-1-fluoroethane for industrial use should be stored in a cool, ventilated place, not close to heat sources, and it is strictly forbidden to expose to the sun and rain
.