In May of this year, in accordance with the requirements of the State Council’s Safe Production Committee to carry out investigation and rectification of hidden dangers, the AQSIQ decided to carry out investigations on hidden dangers of special equipment throughout the country, and explicitly used seven 100% hard indicators to evaluate the effectiveness of local special equipment safety supervision work. As of the end of October, the uncensored production check-and-punishment rate of these seven assessment indicators reached 99.4%, the registration rate reached 96.3%, the key monitoring equipment operator's holding rate reached 97.3%, and the regular monitoring equipment's periodic inspection rate reached 96.8%. The inspection rate of process supervision reached 99.6%, the inspection and correction rate of major hidden dangers reached 98.0%, and the rate of accidents with major accidents was 97.4%. Compared with September, except for the registration rate of special equipment, which is basically the same, the other six indicators have been greatly increased.
According to the person in charge of the Special Equipment Safety Supervision Bureau, the special rectification work carried out in the previous phase mainly has the following five characteristics: First, it has received the support of local governments, and some provincial and municipal governments have made clear requirements for the special rectification of special equipment. The second is to study and formulate relevant laws, regulations and supporting measures. The third is to strengthen the cooperation with the relevant departments, the various geological supervision departments actively coordinate the Finance Bureau, the State Administration of Work Safety, the Public Security Department, the State-owned Assets Supervision and Administration Commission, and the National Development and Reform Commission and other departments, forming a hidden mechanism for the elimination of departmental linkage hazards. The fourth is to innovate the working mechanism and method, establish a special rectification internal linkage working mechanism, implement the dynamic tracking of the hidden account equipment to establish the ledger, and divide the segmentation into the supervision responsible person, and sign the hidden responsibility investigation objective responsibility form with the use unit. Fifth, strict hierarchical supervision and responsibilities assessment.
It is understood that since the start of the investigation of hidden troubles in special equipment throughout the country, as of the end of October, the quality inspection bureaus at all levels across the country have inspected and produced 234,000 units of special equipment and used units, inspected 977,000 units of special equipment, and discovered 47,000 units of equipment with major hidden dangers. , Overseeing the rectification of 35,000 units of major hidden dangers, punishing 47,000 illegal units, and reporting 2,416 major issues to local governments.
Chromium(III) sulfate usually refers to the inorganic compounds with the formula Cr2(SO4)3.x(H2O), where x can range from 0 to 18. Additionally, ill-defined but commercially important "basic chromium sulfates" are known. These salts are usually either violet or green solids that are soluble in water. It is commonly used in tanning leather.
Since 33% of the anion charges are due to hydroxy ions the basicity is 33% (but in tanning jargon it is known as 33% reduced). Products with higher basicities, e.g. 42% or 50% may be obtained by the addition of sodium carbonate, these are often used in combination with Sodium Formate. The sodium sulfate is often left in the technical product since it is inert with respect to the tanning process. It is important to fully reduce the hexavalent chromium to trivalent since the hexavalent is more likely to cause health problems for tanners and leather consumers.
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