查询词典 sodium phosphate

MethodsBy high perfomance liquid chromatography method, mobile phase was acetamide plus water solution of sodium heptansulfonic acid and sodium phosphate.

方法采用高效液相色谱法，用乙腈与庚烷磺酸钠磷酸钠的水溶液为流动相，流速 1 。0ml/min ，柱温 4 0℃，检测波长为 2 80nm ，进样量为 2 0 μl。

The invention discloses a preparing method of bacillus alcaligenes strain Alcaligenes sp., CCTCC No.M206121 of degraded o-nitrophenol, which comprises the following steps: allocating inorganic salt culture medium with dibasic sodium phosphate, monobasic potassium phosphate, manganese sulfate, copperas, addex-magnesium, calcii chloridum, blue copperas, white copperas and hydrogen dioxide solution; adjusting pH value; sterilizing under high temperature; enriching bacterial; sampling from sludge; allocating suspending liquid with soil sample and inorganic salt; seeding into ortho-nitrophenol fresh organic salt culture medium with finite volume seeding quantity; keeping the temperature; culturing on shaker; getting enriched culture; separating and purifying enriched culture in LB solid culture medium.

本发明公开了一种降解邻硝基酚的产碱杆菌菌株及制备方法，产碱杆菌为Alcaligenes sp。，CCTCC No.M206121。其制备步骤是：首先是配制无机盐培养基，成分为磷酸氢二钠、磷酸二氢钾、硫酸锰、硫酸亚铁、硫酸镁、氯化钙、硫酸铜、硫酸锌和双蒸水，调pH值高压灭菌；其次是菌种的富集，从污泥中取样，将土样与无机盐培养基配制成悬浮液，将悬浮液以一定体积接种量接种到含邻硝基酚的新鲜无机盐培养基中，恒温，摇床培养，获富集培养物；第三是将富集培养物在LB固体培养基中分离和纯化。

Sodium metaphosphate may be turned into sodium phosphate by acid hydrolysis in boiling dilute nitric ...

方法用于测定PS版显影液中磷时，回收率是 98.52 %～ 99.84 %，样品测定值的 RSD为0 。31 %( n=1 2 )。

Objective To develop the assay methods of riboflavin in riboflavin sodium phosphate.

目的 建立核黄素磷酸钠中核黄素的含量测定方法。

Purpose To develop a high performance liquid chromatography to determine the content of dexamethasone sodium phosphate and sodium cromoglycate.

目的 建立一种HPLC法同时测定地塞米松色甘酸钠滴鼻液中磷酸地塞米松和色甘酸钠含量。

The limit of detection(S/N=3) of phosethyl Al, chloride, phosphate, sodium, phosphate were 15, 3, 12, 6, 5μgL^(-1) respectively.

三铝、Cl、HPO(上标 2-下标 3)、SO(上标 2-下标 4)、PO(上标 3-下标 4)的检出限(S/N=3)分别为15、3、12、6、5μgL^(-1)。

Three methods were used to prepare basic lithium phosphate, of which the deposition-precipitation method using sodium phosphate as raw material and the mixing method was better.

用三种方法制备碱性磷酸锂催化剂，其中以磷酸钠为原料的沉积沉淀法与机械混合法制备的催化剂性能较好。

The myristic-2-hydroxy-3-propane sulfonic acid sodium salt was synthesized from sodium bisulfite, epichlorohydrin, sodium phosphate and myristic acid. The influence factors of temperature, amount of catalyst, reaction time and reactant ratio on conversion were studied.

以亚硫酸氢钠、环氧氯丙烷、磷酸钠和肉豆蒄酸等为原料，合成了肉豆蒄酸－2-羟基－3-磺酸钠丙酯，探索了反应温度、催化剂、反应时间、反应物物质的量比等因素对合成的影响。

In the daily chemical industry, sodium citrate is a good chemical agent that may replace trimerous polyamide sodium phosphate which produces public pollution, widely used for formatting various kinds of no pollution detergent.

在日化工业上，柠檬酸钠是替代产生公害的三聚磷酸钠的好的化学试剂，广泛用于合成各种无公害的洗涤剂。

Methods Anhydrous acetic acid as solvent, 0.1 mol/L perchloric acid as titrant, crystal violet solution as indicator to establish non-aqueous titrations and ODS column as stationary phase, methanol and a mixture of 0.025 mol/L sodium phosphate monobasic and 0.02 mol/L sodium dedecyl sulfate (80:20) adjusted with phosphoric acid to a pH (4.8±0.1J as mobile phase, 220 nm as detective wavelength to establish HPLC-UV method for determination of piperazinylethylestrone drug substance; FMOC-CL as a derivatization reagent, FD as a detector to establish an HPLC method with derivatization and column switching for determination of piperazinylethylestrone in dog plasma.

分别采用无水冰醋酸为溶剂，0.1mol/L高氯酸为滴定液，结晶紫指示液指示终点的非水滴定法和HPLC-UV法测定哌嗪雌酚酮原料药含量；以FMOC-CL为衍生化试剂，采用柱切换柱前衍生化萤光检测的HPLC法测定狗血浆中哌嗪雌酚酮含量。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。