>>The total cyanide content X expressed in mass percentage (in terms of hydrocyanic acid ) is calculated as follows: >>
Determination of total cyanide content in industrial acrylonitrile by titration method (1)
Time of Update: 2022-01-12
> . >2 Reference standards>Preparation of standard solution for GB601 chemical reagent titration analysis (volume analysis)>GB/T
Time of Update: 2021-10-15
This standard applies to the product quality inspection of 1-phenyl-3-methyl-5-pyrazolone .
Time of Update: 2021-10-15
3. 1 Method summaryThe standard titration solution of 1-phenyl-3-methyl-5-pyrazolone and sodium nitrite undergoes nitrosation reaction under acidic conditions, and the end point is indicated by starch-potassium iodide test paper .
"Cyanide Water Quality Automatic Monitor" Hunan Province Local Metrology and Calibration Specification Passed Examination and Approval
Time of Update: 2021-10-11
University of Science and Technology and other units carefully reviewed the technical data submitted by the specification writing group, and listened to reports on the background of the formulation of the calibration specification, the preparation
The Preparation of Phenyl-stilbene Derivatives Using the Safety Catch Linker
Time of Update: 2021-02-26
One ion channel that controls lymphocyte differentiation is the highly T cell specific Kv1.3 channel.
Potassium cyanide (KCN) culture base
Time of Update: 2021-01-23
test method inoculated agar cultures in protein water to become diluted bacteria, and 1 ring was selected to be inoculated in potassium cyanide (KCN) culture.
Is potassium iron cyanide in salt toxic?
Time of Update: 2020-12-04
other anti-knot agents currently available in food are also common silicon dioxide, calcium silicate and iron citrate ammonium, why not use these kinds of salts?
Identification of cyanide.
Time of Update: 2020-10-27
4 to 5 bitter almonds, grated, add 3 ml in a 50 ml conical bottle. 5% sulfuric acid solution, fully mixed, stuffed, the following (1), (2) reaction. (1) sodium bitter acid test: take filter paper first drop
Secure the phenyl to a fluoro polyacrylate coating.
Time of Update: 2020-10-20
The corresponding benzene-based fluoro-polyacrylates (FPB-co-MMA) and two comparative samples (FOA-co-St and FOA-co-MMA) are then prepared by emulsion .
Tianjin 700 tons of dangerous chemical sodium cyanide treatment full tracking.
Time of Update: 2020-09-25
, anti-chemical officers and soldiers, involved in the search for dangerous chemical personnel ... Try to restore this thrilling and difficult process.
Analysis of the factors affecting the thickening response of phenyl-propylene latex paint additives.
Time of Update: 2020-09-20
Basic Formula: 2 Test results and analysis 2.1 Effects of emulsions from different manufacturers on thickening response Emulsion, as the core raw material of latex paint, affects the alkaline and scrub resistance of coating.
Is salt-rigged potassium cyanide toxic?
Time of Update: 2020-08-07
article pointed out that the anti-cosant potassium cyanide added to the salt is a low-toxic chemical additive, will cause damage to the liver and kidneys, harm to health, it is recommended that we do not eat this salt.
Good Medicine: 2 billion injections first declared; Qilu 35 products rated; phenyl sulfonate ammonia chloride tablets through 30...
Time of Update: 2020-07-29
Pharmaceuticals pass the consistency evaluation Review and approval of 13 varieties through the name, phenyl sulfonate chlorate tablets 30 over-evaluation enterprises born this week there are 14 acceptance number 13 drug approval completed
Clin Trans Gastro: Absorbable gelatin sponge embolism under endoscopy ultrasound is superior to traditional cyanide injections to treat gastric veins
Time of Update: 2020-07-10
The purpose of this study was to compare the differences in the clinical results of EUS-guided coil embolism with endoscopy CYA injection treatment GV.