Can not: ammonia nitrogen (N) content% ≤ 0, so the content of its other substances is very high. For example .0005 Cadmium (Cd) content% 0.0001 Mercury (Hg) co
Products exported to Nigeria, the need to do CRIA certification, but also control the scope of the need to contact Hangzhou Edo detection Lu, is mandatory, the
Under normal circumstances, per ton of sewage with good run liquid polyaluminium chloride is 15-50 grams, depending on the specific water quality may be best to
Will leave a small amount of aluminum ions, in general, no problem with residual heavy metals; but polluting aquatic products as long as the national standard G
Call directly consult the manufacturer of the product or directly loaded with a hundred milliliters of measuring cylinder (compaction) said the quality of densi