|
TT |
Name of target |
Unit |
Quality level |
||
|
Type 32% |
Type 45% |
Type 50% |
|||
|
1 |
Foreign mandarin |
- |
Transparent liquid, colorless |
||
|
2 |
Jaw Sodium hydroxide (NaOH) |
% |
32 (± 1) |
45 (± 1) |
50 (± 1) |
|
3 |
Jaw Sodium carbonate (Na2Contract3) |
% |
≤ 0.35 |
≤ 0.4 |
≤ 0.5 |
|
4 |
Jaw Sodium chloride (NaCl) |
% |
≤ 0.03 |
≤ 0.04 |
≤ 0.05 |
|
5 |
Jaw The amount of iron (Fe) transferred iron III oxide (Fe2O3) |
% |
≤ 0.002 |
≤ 0.003 |
≤ 0.005 |
+ Paper industry: separating lignin, producing pulp, recycling paper.
+ Textile dyeing: Treatment of coarse fabric, increasing gloss and ability to dye color.
+ Artificial silk: Remove lignin and impurities in wood pulp.
+ Water treatment: Adjust pH, regenerate ion exchange resin.
+ Food: Refine cooking oil, produce monosodium glutamate, wash equipment, Treatment of vegetables before processing.
+ Petroleum: Adjust the pH of drilling solution, remove compounds sulfur and acid.
+Soap & detergent: Saponification, cleaning reaction Grease, metal surface treatment.
+ Aluminum practice: Dissolve aluminum in boxite ore for refining.
+ Producing chemicals: Sodium silicate, aluminum hydroxide, glass Liquid.
+ Skin: caustic soda causes irritation, skin corrosion. Skin blistered, red, Can cause serious burns.
Processing measures: Remove immediately clothes and protective clothes when sticky The solution, then shower with lots of water.
+ Eyes: Mucus corrodes the mucosa causing serious damage to the eyes, Can cause permanent blindness.
Processing measures: Need to wash eyes immediately with lots of water About 15 minutes (keep the eyes open when washing) then go to the medical facility for treatment.
+ Lung: Inhalation of a lot of caustic soda for a long time causing edema lung. The maximum allowable concentration in the air is 2 mg/m3 of the air.
Handling measures: Take the victim to a breathable place, to stay in a posture Half lying half sitting, blowing as needed.
+ Gastrointestinal: When swallowing caustic soda will have a burning feeling, heavy shock, Pain in the abdominal cavity.
Handling measures: Garges many times, does not cause forced vomiting, Follow medical instructions.
Contains:
+ Packaging in a bottle, closed packaging.
+ Avoid near acid, acidic solutions.
+ Suitable materials as containers, equipment, pipes Mustard: Steel, stainless steel, PVC, PP, PA, Composite ...
+ Does not contain caustic soda in tools made of bipolar metals Calculated: zinc, tin, aluminum, lead ... and their alloys (corrosive and cause risk of fire and explosion).
Preserve:
+ Do not mix with strong acids, metals, food. Tell Management in areas with anti -erosion cement background.
+ Storage and container at environmental temperature.
Transport:
+ Use compatible materials to make transport containers caustic soda.
Symbols when transporting according to the EU standard:
+ C (corrosive substance);
+ R: 35 (can cause severe burns);
+ S: (1/2-) 26-37/39-45 (Wash a lot of water when shot in the eyes, labor protection equipment);
+ R: 35 (can cause severe burns);
+ S: (1/2-) 26-37/39-45 (Wash a lot of water when shot in the eyes, labor protection equipment).