...
2025-08-18 07:49
324
The sulfide base added in the purification step includes any one or a mixture of sodium sulfide, ammonium sulfide or hydrogen sulfide. Sulfur removal removes heavy metal ions such as Cu 2+ , Pb 2+ , CcT , Ni 2+ , and Hg 2+ .
...
2025-08-18 07:14
1855
The updated evaluation revises the outcome of EFSA’s previous assessment published in 2016, which highlighted the need for more research to fill data gaps.
...
2025-08-18 06:59
1417
Our scientific experts applied for the first time the 2018 EFSA Scientific Committee Guidance on Nanotechnology to the safety assessment of food additives. Titanium dioxide E 171 contains at most 50% of particles in the nano range (i.e. less than 100 nanometres) to which consumers may be exposed.
...
2025-08-18 06:48
2905
pH-value
...
2025-08-18 06:22
313
Colorectal tumors and preneoplastic lesions
...
2025-08-18 05:52
466
...
2025-08-18 05:49
775
In the leaching step, 0. 5~lkg of dicyandiamide is added per cubic meter of ammonia-ammonium sulfate solution, and by adding dicyandiamide, ammonia volatilization in the process is reduced, the working environment is improved, and the loss of ammonia is reduced. waste.
...
2025-08-18 05:29
1527
Navigating the World of Chinese Interior Wall Coating Lacking Lead
...
2025-08-18 05:21
714
Anatase and Rutile Key Titanium Dioxide Suppliers in Today's Market
...
2025-08-18 05:15
690
...
2025-08-18 07:49
324
The sulfide base added in the purification step includes any one or a mixture of sodium sulfide, ammonium sulfide or hydrogen sulfide. Sulfur removal removes heavy metal ions such as Cu 2+ , Pb 2+ , CcT , Ni 2+ , and Hg 2+ .
...
2025-08-18 07:14
1855
The updated evaluation revises the outcome of EFSA’s previous assessment published in 2016, which highlighted the need for more research to fill data gaps.
...
2025-08-18 06:59
1417
Our scientific experts applied for the first time the 2018 EFSA Scientific Committee Guidance on Nanotechnology to the safety assessment of food additives. Titanium dioxide E 171 contains at most 50% of particles in the nano range (i.e. less than 100 nanometres) to which consumers may be exposed.
...
2025-08-18 06:48
2905
pH-value
...
2025-08-18 06:22
313
Colorectal tumors and preneoplastic lesions
...
2025-08-18 05:52
466
...
2025-08-18 05:49
775
In the leaching step, 0. 5~lkg of dicyandiamide is added per cubic meter of ammonia-ammonium sulfate solution, and by adding dicyandiamide, ammonia volatilization in the process is reduced, the working environment is improved, and the loss of ammonia is reduced. waste.
...
2025-08-18 05:29
1527
Navigating the World of Chinese Interior Wall Coating Lacking Lead
...
2025-08-18 05:21
714
Anatase and Rutile Key Titanium Dioxide Suppliers in Today's Market
...
2025-08-18 05:15
690
...
2025-08-18 05:49
775
In the leaching step, 0. 5~lkg of dicyandiamide is added per cubic meter of ammonia-ammonium sulfate solution, and by adding dicyandiamide, ammonia volatilization in the process is reduced, the working environment is improved, and the loss of ammonia is reduced. waste.
...
2025-08-18 05:29
1527
Navigating the World of Chinese Interior Wall Coating Lacking Lead
...
2025-08-18 05:21
714
Anatase and Rutile Key Titanium Dioxide Suppliers in Today's Market
...
2025-08-18 05:15
690