Chloroform soluble extractives
WebMar 30, 2024 · Net chloroform soluble extractives for 50 % alcohol fraction 氯仿可溶萃取物（50%酒精浸取法） Net chloroform soluble extractives for n-heptane fraction 氯仿可溶萃取物（正庚烷浸取法） 木材要求U.S. FDA CFR 21 178.3800 Pentachlorophenol and its salt 五氯苯酚PCP ABS要求U.S. FDA CFR 21 181.32 or 180.22. in water 去离子水浸取法 … Webnot availableBangladesh Pharmaceutical Journal 19(2): 233-236, 2016
Chloroform soluble extractives
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Web (1) Specifications. Chloroform-soluble extractives shall not exceed 0.2 milligram/inch 2 of food -contact surface when... (2) Conditions of use. The plastics are intended for: WebChloroform extract does not necessarily represent toxic molecules but potentially harmful stuff. Secondly chloroform extraction is analytical chemist friendly- after extraction the …
Webchloroform-soluble extractives shall not exceed 0.05 milligram/square inch3 (0.078 mg/square centimeter) of food- contact surface (water, acetic acid, or ethanol/water extractions) when ex-tracted by the equilibrium method cited in paragraph (e)(2)(ii) of this sec-tion. If when exposed to n-heptane, a particular film splits along die lines, WebThe GC-MS analysis of the chloroform soluble fraction of the extractives obtained from C. sativa showed the presence of methyl hexadecanoate and octadecanoic acid ( Table 5).
WebThe oxidation occurred mainly on the polar fraction of the extractives, and then, the solubility in chloroform increased by 12.3%. When the extraction was performed in the autoclave, MoO3 was able to induce an oxidative depolymerization of wood with the consequent increase in the extractives amount. Web( 1) Net chloroform-soluble extractives not to exceed 0.1 milligram per square inch of food-contact surface tested when the prescribed food-simulating solvent is water or 8 or 50 percent alcohol.
WebOct 12, 2024 · Chloroform soluble extractive in paper and paperboard; Sensory test; Total extractives from water and n-hexane for rubber articles; Peroxide residue; Specific …
Webchloroform for a long period damages the brain, liver and kidneys. It may cause cancer. Drinking water with chloroform over a long period damages the liver and kidneys. It may … エクセル 最小値 #n/aWeb( ii) Acidified chloroform-soluble extractives residue. Add 3 milliliters of 37 percent ACS reagent grade hydrochloric acid and 3 milliliters of distilled water to the evaporating dish containing the dried and weighed residue, e, obtained in paragraph (e) (6) (i) of this section. エクセル 最小値 0 除くWebChloroform fraction of alcohol extractives 1. Plasticized polymers, including unvulcanized or vulcanized or otherwise cured natural and synthetic rubber … エクセル 最小値 ゼロ以外WebJan 17, 2024 · (a) Oxidized polyethylene is the basic resin produced by the mild air oxidation of polyethylene conforming to the density, maximum n- hexane extractable fraction, and maximum xylene soluble... エクセル 最小値 0を除く 条件付き書式WebGC-MS analysis of the chloroform soluble and insoluble fractions was also used. Accelerated Solvent Extraction (ASE) 110 °C, Soxhlet, and autoclave extraction techniques were used to obtain... pamela adlon archerWebJan 10, 2024 · GC-MS analysis of the chloroform soluble and insoluble fractions was also used. Accelerated Solvent Extraction (ASE) 110 °C, Soxhlet, and autoclave extraction techniques were used to obtain extractives from untreated and thermally modified (THM) chestnut wood (170 °C for 3 h). エクセル 最小値 エラーを除くWeb( c) The finished food-contact article, when extracted at reflux temperatures for 2 hours with the following four solvents, yields net chloroform-soluble extractives in each extracting solvent not to exceed 0.02 milligram per square inch of food-contact surface: distilled water, 50 percent (by volume) ethyl alcohol in distilled water, 3 percent … pamela adlon glasses