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Salt technical white

Technical specifications of salt

Technical salt is an effective deicing material. Technical salt has a number of advantages: affordable, effective at low temperatures, easy to apply.
It is designed for clean-up in any temperature range up to – 30 °C.
The advantages of technical salt is the cheapness and efficiency of means to combat the ice, it lowers the adhesion force of ice to the road surface due to the formation brine. Sodium chloride (NaCl) is included in the technical salt in 96-97%.

Technical salt free-flowing crystalline product. Not allowed the presence of extraneous mechanical impurities not related to the origin and method of production of salt.
Technical taste salt — salty, without foreign tastes.
The color of salt – often white, sometimes yellowish grey with different shades associated from the field and the method of salt production. The presence of dark particles allowed within the content of iron oxide and insoluble residue.
The smell of industrial salt – not present, no foreign smell.
WHERE PRIMENENYAT TECHNICAL SALT

Technical salt has a wide industrial application. In the oil sector technical salt is used for thawing of soil: saline solution is poured into wells, and under pressure gets into the soil, contributing to the process of melting.
Technical salt used as a deicing material to the roads in the winter time. Technical salt is used for chemical cleaning of boiler for water and heating systems open and closed for water softening in industrial and household devices. Salt is used for the manufacture of washing powder, glass, paper, soda.

PROPERTIES OF TECHNICAL SALT (SODIUM CHLORIDE)


PHYSICO-CHEMICAL CHARACTERISTICS OF INDUSTRIAL SALT
Name of indicator                                                                                                                Norm for the class
                                                                                                                                          Highest    First     Second
1. Appearance industrial salt,                                                                                     Crystalline free-flowing product
2. The color of sodium chloride                                                                       White or gray with various shades from gray to pink
3. Mass fraction of sodium chloride in the technical salt , %, not less than                97,0      90,0       80,0
4. Mass fraction of calcium ion in the technical salt , %, not more than                     0,65      0,80       1,10
5. Mass fraction of magnesium ion in the technical salt , %, not more than              0.25      0.80       1.60
6. Mass fraction of potassium ion in the technical salt , %, max                                  0.20      0.40       0.90
7. Mass fraction of sulfate ion in the technical salt , %, not more than                      1.50       2.20       7.00
8. Mass fraction of iron oxide in the technical salt , %, max                                         0.01       0.10       0.50
9. Mass fraction in industrial salt is not soluble in water substances, %,

not more than                                                                                                                       0.85     5.00      12.00
10. Mass fraction of moisture in the technical salt , %, not more than                         4.5       4.5         4.5


THE RATE OF FLOW OF SODIUM CHLORIDE AS PGM

Thermodynamic characteristics of road salt (sodium chloride),
used as protivokrazhnogo reagent technical salt.

Reagent                                                Temperature salt , °C                                         Heat of dissolution,
                                                                                                                                             kcal/mol, with
                                                                                                                                             endothermic reactions
                                                                  eutectic                                working
Road salt (sodium chloride)                   -21,2                                   -9 ... -12                            1.18

MELTING TECHNICAL INDICATOR OF SALT AS A DEICING MATERIAL (HPM).

The main indicator of deicing material – ability to effectively melt ice. It understands the amount of ice in grams that can melt one gram of road salt. Melting ability of the reagent depends on the rate of its dissolution and the amount of heat released or absorbed by it.

Consumption of salt for road (sodium chloride),
required to melt 1 g of ice
Reagent                                                  Temperature, °C         Reagent Consumption for melting 1 g. of ice, g.
Salt (sodium chloride)                                  -2                                                          0.04
                                                                         -5                                                          0.08
                                                                        -10                                                         0.16
                                                                        -20                                                        0.285

CONSUMPTION OF ROAD SALT (SODIUM CHLORIDE) as a deicing material is 50-150 g/m2 (for 1 mm ice).

GRANULOMETRIC COMPOSITION of SALT is NaCl TECHNICAL

Granulometric composition
technical salt                                                                                                            Norm %
The grinding number 3
to 4.5 mm,                                                                                                         not less than 85
more than 4.5 mm,                                                                                           no more than 15
The core
up to 40 mm to                                                                                                            100
COMPOSITION OF INDUSTRIAL SALT (SODIUM CHLORIDE)

Name of the indicator                                                                 reading normal                                 reading actual
Mass fraction of sodium chloride in the industrial salt of             90.00%                                             97,11%
Mass fraction of calcium ion in the technical salt                             0,80%                                               0,28%
Mass fraction of magnesium — ion
technical salt                                                                                           0,80%                                              0,04%
Mass fraction of sulfate ion
technical salt of                                                                                       2.20%                                              0,75%
Mass fraction of insoluble residue in the water
technical salt                                                                                            5,0%                                               0,55%
Mass fraction of moisture
technical salt                                                                                            4,5%                                                2,5%
Mass fraction of potassium ferrocyanide

(supplement) technical salt                                                          not more than 0,01%                     not more than 0.01%

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