This test is a measure of the unsaturated linkages in a fat and is determined by reacting the fat with a solution of iodine monochloride in a mixture of acetic acid and CCU, liberating excess iodine with KI, and titrating with Na2S203.

這個試驗是不飽和鍵的測量，它由脂肪與一氯化碘在乙酸與CCU的混合物的溶液反應(yīng)進(jìn)行測量，用KI除多余的碘，用硫代硫酸鈉滴定。

The present calculations predict that thioacetic acid mainly exists as a CH3CSH tautomer, and both tautomers predominately adopt syn conformations, which reproduces the experimental observations.

本文計算預(yù)測硫代乙酸主要以CH3CSH的形式存在美女黄网在线视频免费观看，兩種異構(gòu)體均以順式構(gòu)象為優(yōu)勢構(gòu)象。

Results show that, by using thionyl chloride and N,N-dimethyl formamide as chlorinating reagent and dichloromethane as solvent and taking -15℃ as reaction temperature, Z-iomer crystals with pale white color and stable to temperature can be obtained with an overall yield of 70%.

以2-（2-氨基噻唑－4-基）－2-甲氧亞氨基乙酸為原料，經(jīng)鹽酸化国语对白偷拍偷窥、氯代等反應(yīng)合成了Z-2-（2-氨基噻唑－4-基）－2-甲氧亞氨基乙酰氯鹽酸鹽那儿有免费黄色A片看看；氯代時以用亞硫酰氯和N，N-二甲基甲酰胺的混合物代替五氯化磷作氯化劑免费A片视频日本一区二区三区，并考察了溫度和溶劑對氯代產(chǎn)物中Z-異構(gòu)體和E-異構(gòu)體收率的影響www日韩视频。

A method to measure the content of nickel in the nickel iso - caprylate by complexometric titration using ethylenediamine tetraacetic acid was set up.

以乙二胺四乙酸或檸檬酸作配位劑，在無氰的硫代硫酸鹽–亞硫酸鹽體系中研究了金在鍍鎳銅基底上的電沉積欧美日韩国产精品。

The compositions can also contain microcrystalline cellulose, croscarmellose sodium, anhydrous lactose, magnesium stearate, micronized edetate calcium disodium hydrous, and micronized sodium thiosulfate pentahydrate.

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On the condition of the existence of the buffer solution of ammonium acetate (PH5-6) and ammonium thiocyanate, quantitatively reduce Cu2+ into Cu+ by using sodium thiosulphate .

本文在PH5-6的乙酸銨緩沖溶液及硫氰酸銨存在下，用硫代硫酸鈉定量還原Cu~(2+)為Cu~+久久久久久久久久久久久久久精品，Cu~+與SCN~-結(jié)合午夜性爱视频在线，形成穩(wěn)定的硫氰酸亞銅白色沉淀，反應(yīng)終點可由全自動電位滴定儀確定黄黄的视频网站。

The structural assignment of Ⅱwas supported by spectral data and was confirmed by the identification of the compound as the product obtained by synthesis from triethyl orthoacetate and 2- cyanot hioacetamide.

結(jié)構(gòu)的指定得到由光譜數(shù)據(jù)的支持www.aigou1314.com，確認(rèn)結(jié)構(gòu)是通過原乙酸三乙酯和2-氰基-硫代乙酰胺合成得到的化合物。

In the third chapter, eight new complexes of 4, 6-dimethylpyrimidine 2-thioacetic acid with rare earth metals has been synthesized and characterized by means of elemental analysis, molar conductivity, IR,〓 NMR and TG-DTA. The general formula of the complexes is Ln〓(n=4 or 5). In the complexes, the deprotonated ligand coordinated to the rare earth metal ions in chelate bidentate mode. 4 or 5 molecular of crystal water existed in the complexes.

第三章合成了八種4色哟哟亚洲一区在线播放，6-二甲基嘧啶-2-硫代乙酸的稀土配合物av在线免费亚洲天堂，通過元素分析、摩爾電導(dǎo)美女图片一级卡片、紅外光譜A片免费在线视频网、核磁共振氫譜和熱重-差熱對配合物進(jìn)行了表征，研究結(jié)果表明亚洲全部黄色网站，配合物的組成為Ln〓n=4或5）在线播放国产精品二区一二区四区，在配合物中配體羧基脫去質(zhì)子后采用螯合雙齒的方式與稀土離子形成配位鍵，同時黄色黄色黄色黄片黄片视频黄片视频黄片，配合物中含有4或5個結(jié)晶水在线视频狼友。