GFS化学Karl Fischer试剂

卡尔费歇尔试剂

GFS Chemicals生产Watermark®Karl Fischer产品线. 我们有一个最大的选择卡尔费舍尔试剂在行业, 以及满足您项目需求的技术专长. 从体积和库仑卡尔费希尔试剂认证的水标准, 你们需要的产品我们有现货,随时可以出货. GFS化学还提供吡啶和不含吡啶的解决方案. 我们的水印卡尔费希尔库伦试剂的水容量超过1000毫克/毫升.

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卡尔费雪产品类别

体积滴定法通常用于100 ppm至100%含水量范围内的样品, 虽然样品分析下降10 PPM水是可能的. 单组分卡尔菲舍尔试剂是最受欢迎的,因为它们是最便宜的, 不要总是需要特殊的溶剂. 在单组分卡尔费希尔滴定法中, 已知浓度的滴定剂在容器溶剂中与样品反应, 最终消耗了样本中的水.

滴定剂含有KF反应所需的所有成分:碘, base, sulfur dioxide, 溶剂介质. 容器溶剂的选择要符合样品的溶解特性. 通过测量加入滴定剂的体积,可以计算出样品中的水量. Watermark产品线包括滴度值为5mg /mL的试剂, 2 mg/mL, and 1 mg/mL, 涵盖一系列应用程序.

不含甲醇和吡啶的配方, 水印体积滴定剂适用于所有KF滴定样品, 即使是那些含有醛或酮的.

不知道该选哪个?

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单组份体系 如果你的实验室预算有限,或者经常进行KF滴定. 所有的反应物都在滴定瓶里, 我们的水印非吸湿滴定剂的设计非常稳定,保证两年的保质期.

Choose a
双组分系统 如果您需要更高的准确度,更快的滴定,或需要标准化频率更低. 可用的最低强度为0.5毫克/毫升,是专为最少的样品,或非常低的水含量的应用.

库仑滴定法通常选用含水量小于1%的方法, 虽然样品含水量高达5%是可能的. 阳极液和阴极液的选择是基于样品矩阵的, 这反过来又影响发电机的选择.

水印试剂为卡尔费歇尔滴定提供了最佳的价值和性能. 延长保质期, 快速水分测定, 一个稳定的终点, 很明显,水印优于竞争对手. Watermark, GFS Chemicals, 是专门配制的,以提供最终的分析性能.

 

卡尔费歇尔滴定剂的标准化是必要的,以确定其水当量. GFS化学公司生产各种参考材料, 包括我们哥伦布的主要标准, Ohio facilities.

Water standards 每盒10个一次性安瓿,并有5年的保质期. 水印水标准不含甲醇,可用于所有应用. 所有标准都附有分析证书(COfA)。, 是否经过ISO/IEC 17025认证的管理体系严格测试, 并且可以追溯到NIST.

可靠的标准,包括 sodium tartrate and 柠檬酸钾,也有.

卡尔费歇尔反应依赖于pH值. 大多数的水印滴定剂和溶剂被缓冲,以抵消样品,引起小的pH值变化. 如果样品导致pH值变化超出要求的5到7.5范围,副反应和慢动力学可能发生.

以抵消样品在极高或极低的pH值的影响, 加入缓冲材料将pH值调整到最佳pH值范围.

GFS化学专业生产无水高氯酸镁,它是空气和气体的优良干燥剂. KF滴定系统要求不受大气湿度的影响. 我们提供多种选择,包括分子筛, 指示硅珠, 钙基干燥剂.

比较一下我们的价格,看看我们是否能比你现在的供货商省钱.

BrandItem #DescriptionGFS ItemLink
Quveon81014水标准1.0 in MeOH9425 
AquamicronGMW20标准水/甲醇9425 
AquamicronAWS02V水标准0.25692 
Hydranal20618工作介质K5322http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-aldehydes-and-ketones-item-5322-sku-15175
AqualineAL2300Matrix K5322http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-aldehydes-and-ketones-item-5322-sku-15175
Hydra-Point6275-68KF溶剂无甲醇5322http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-aldehydes-and-ketones-item-5322-sku-15175
AquamicronKTXSolvent KTX5322http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-aldehydes-and-ketones-item-5322-sku-15175
Quveon43503Solvent KT5322http://bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-aldehydes-and-ketones-item-5322-sku-15175
Hydranal34868Coulomat Oil5202http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-for-oils-item-5202-sku-12163
Quveon17145电量AGR-OIL5202http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-for-oils-item-5202-sku-12163
Hydranal34741Methanol, Dry3569http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-methyl-alcohol-anhydrous-cas-67-56-1-item-3569-sku-50362
Aquastar188009CombiMethanol3569http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-methyl-alcohol-anhydrous-cas-67-56-1-item-3569-sku-50362
Hydra-Point6290-68无水甲醇3569http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-methyl-alcohol-anhydrous-cas-67-56-1-item-3569-sku-50362
AqualineAL2110Solvent CM2991http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-oils-for-two-component-system-item-2991-sku-28775
Hydranal37855Solvent CM2991http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-oils-for-two-component-system-item-2991-sku-28775
Aquastar188016Solvent Oil2991http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-oils-for-two-component-system-item-2991-sku-28775
Quveon26541Solvent CX2991http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-oils-for-two-component-system-item-2991-sku-28775
Hydranal37856LipoSolver MH2978http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-oils-for-one-component-system-item-2978-sku-28742
Aquastar188016油和脂肪的溶剂2978 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-oils-for-one-component-system-item-2978-sku-28742
AquamicronOLXSolvent OLX2978 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-oils-for-one-component-system-item-2978-sku-28742
Quveon26541Solvent CX2978 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-oils-for-one-component-system-item-2978-sku-28742
Hydranal34697求解器(原油)2978 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-oils-for-one-component-system-item-2978-sku-28742
Aquastar188020CombiSolvent油2978 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-oils-for-one-component-system-item-2978-sku-28742
AquamicronOL2Solvent OLII2978 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-for-oils-for-one-component-system-item-2978-sku-28742
Hydranal34963柠檬酸钾标准2385http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-potassium-citrate-cas-6100-05-6-item-2385-sku-99572
AqualineK2760柠檬酸钾标准2385http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-potassium-citrate-cas-6100-05-6-item-2385-sku-99572
AquamicronSWS固体水标准2385http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-potassium-citrate-cas-6100-05-6-item-2385-sku-99572
Hydranal34841Coulomat CG-K2321http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-generator-solution-universal-item-2321-sku-99712
Aquastar1697C-1Coulomat C2321 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-generator-solution-universal-item-2321-sku-99712
Hydra-Point6286-00卡尔菲舍尔库仑计发生器溶液(通用型)2321 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-generator-solution-universal-item-2321-sku-99712
AquamicronCXUAquamicron CXU2321 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-generator-solution-universal-item-2321-sku-99712
Hydranal34813水标准52304http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-5-0-mg-g-item-2304-sku-98992
Hydranal34849水标准102303http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-10-0-mg-g-item-2303-sku-99881
Aquastar188052水标准1.0%2303http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-10-0-mg-g-item-2303-sku-99881
AquamicronAWS100V水标准102303http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-10-0-mg-g-item-2303-sku-99881
Quveon81037水标准10.02303http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-10-0-mg-g-item-2303-sku-99881
Hydranal34828水标准1.02302http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-1-0-mg-g-item-2302-sku-99862
Aquastar188051水标准0.1%2302http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-1-0-mg-g-item-2302-sku-99862
AquamicronAWS10V水标准1.02302http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-1-0-mg-g-item-2302-sku-99862
Quveon81024水标准1.02302http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-1-0-mg-g-item-2302-sku-99862
Hydranal34847水标准0.12301http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-0-10-mg-g-item-2301-sku-99842
Aquastar188050水标准0.01%2301http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-0-10-mg-g-item-2301-sku-99842
AquamicronAWS01V水标准0.12301http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-0-10-mg-g-item-2301-sku-99842
Quveon81014水标准0.12301http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-0-10-mg-g-item-2301-sku-99842
Hydranal37864Imidazole1973http://8y1f.bfsc1986.com/Product?seoUrl=imidazole-reagent-acs-cas-288-32-4-item-1973-sku-44953
Aquastar13709Imidazole1973http://8y1f.bfsc1986.com/Product?seoUrl=imidazole-reagent-acs-cas-288-32-4-item-1973-sku-44953
Hydranal34816Composite 5K1893http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-reagent-5-mg-ml-single-solution-non-haz-item-1893-sku-17302
Aquastar188006CombiTitrant 5K1893http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-reagent-5-mg-ml-single-solution-non-haz-item-1893-sku-17302
AqualineAL-2720-80水标准101892http://8y1f.bfsc1986.com/Product?seoUrl=kf-water-std-10-mg-ml-item-1892-sku-99888
AquamicronFLSFLS1889http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-oven-item-1889-sku-19184
Hydranal34739AG-Oven1889http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-oven-item-1889-sku-19184
Hydra-Point6287-02KF库仑炉试剂1889http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-oven-item-1889-sku-19184
Quveon18411电量AGR-Oven1889http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-oven-item-1889-sku-19184
Hydranal37817Methanol Rapid1885http://8y1f.bfsc1986.com/Product?seoUrl=methanol-prime-watermark-karl-fischer-solvent-item-1885-sku-25992
Quveon24275Methanol Sharp1885http://8y1f.bfsc1986.com/Product?seoUrl=methanol-prime-watermark-karl-fischer-solvent-item-1885-sku-25992
AqualineAL1900Complete 11884http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-reagent-pyridine-free-single-solution-1-mg-ml-sku-28201
Hydranal34827Composite 11884http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-reagent-pyridine-free-single-solution-1-mg-ml-sku-28201
Aquastar188001CombiTitrant 11884http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-reagent-pyridine-free-single-solution-1-mg-ml-sku-28201
Quveon23367Composit 1T1884http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-reagent-pyridine-free-single-solution-1-mg-ml-sku-28201
Hydranal34836Coulomat AG1671 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-diaphragmless-chloroform-free-item-1671-sku-99857
Hydranal34810Coulomat AD1671 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-diaphragmless-chloroform-free-item-1671-sku-99857
AquamicronAXMIAXI1671 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-diaphragmless-chloroform-free-item-1671-sku-99857
Aquastar188079Anolyte1671 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-diaphragmless-chloroform-free-item-1671-sku-99857
Aquastar109255CombiCoulomat熔块1671 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-diaphragmless-chloroform-free-item-1671-sku-99857
Aquastar109257CombiCoulomat熔块less1671 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-diaphragmless-chloroform-free-item-1671-sku-99857
AqualineAL2520500Electrolyte AG1671 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-diaphragmless-chloroform-free-item-1671-sku-99857
Hydra-Point6280-02卡尔费希尔库仑容器溶液(无吡啶)1671 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-diaphragmless-chloroform-free-item-1671-sku-99857
Quveon11008电量AGR1671http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-diaphragmless-chloroform-free-item-1671-sku-99857
AqualineSK5SK51621http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-diluent-item-1621-sku-99913
AquamicronGMLSolvent ML1621http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-diluent-item-1621-sku-99913
AqualineSK3SK31620 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-reagent-5-mg-ml-stabilized-pyridine-based-item-1620-sku-99904
AquamicronGKS100MTitrant SS1620http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-reagent-5-mg-ml-stabilized-pyridine-based-item-1620-sku-99904
Hydranal34820Coulomat AK1619 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-for-ketones-and-aldehydes-item-1619-sku-99811
AquamicronAKXAKX1619 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-for-ketones-and-aldehydes-item-1619-sku-99811
AquastarAX1697ECoulomat AK1619 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-for-ketones-and-aldehydes-item-1619-sku-99811
Hydra-Point6283-01醛酮库仑容器溶液(无甲醇)1619http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-for-ketones-and-aldehydes-item-1619-sku-99811
AqualineAL2710-40水标准11618http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-1-0-mg-ml-item-1618-sku-99733
Aquastar109259Water Std. 5 mg/mL1617http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-5-0-mg-ml-item-1617-sku-99753
AquamicronGCHPGCHP检查方案P1617http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-5-0-mg-ml-item-1617-sku-99753
AqualineAL2730-500水标准51617http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-water-standard-5-0-mg-ml-item-1617-sku-99753
Hydranal34801Titrant 51616http://8y1f.bfsc1986.com/Product?seoUrl=titrant-5-watermark-karl-fischer-5-mg-ml-in-methanol-item-1616-sku-99827
Aquastar188010Titrant 51616http://8y1f.bfsc1986.com/Product?seoUrl=titrant-5-watermark-karl-fischer-5-mg-ml-in-methanol-item-1616-sku-99827
Hydra-Point6274-02KF滴定剂5mg /mL1616http://8y1f.bfsc1986.com/Product?seoUrl=titrant-5-watermark-karl-fischer-5-mg-ml-in-methanol-item-1616-sku-99827
Quveon22251Titrant 5T1616http://8y1f.bfsc1986.com/Product?seoUrl=titrant-5-watermark-karl-fischer-5-mg-ml-in-methanol-item-1616-sku-99827
AqualineAL22001Titrant 51616http://8y1f.bfsc1986.com/Product?seoUrl=titrant-5-watermark-karl-fischer-5-mg-ml-in-methanol-item-1616-sku-99827
Hydranal34804Buffer1615 http://8y1f.bfsc1986.com/Product?seoUrl =水印-卡尔-费-Buffer Solution-项目- 1615 sku - 99803
Aquastar188035Buffer1615 http://8y1f.bfsc1986.com/Product?seoUrl =水印-卡尔-费-Buffer Solution-项目- 1615 sku - 99803
AqualineAL2350Buffer1615 http://8y1f.bfsc1986.com/Product?seoUrl =水印-卡尔-费-Buffer Solution-项目- 1615 sku - 99803
Hydra-Point6282-02缓冲溶液1615 http://8y1f.bfsc1986.com/Product?seoUrl =水印-卡尔-费-Buffer Solution-项目- 1615 sku - 99803
Quveon20756Buffer Acid1615http://8y1f.bfsc1986.com/Product?seoUrl =水印-卡尔-费-Buffer Solution-项目- 1615 sku - 99803
Hydranal34840Coulomat CG1613http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-generator-solution-pyridine-free-item-1613-sku-99784
Quveon13060电量CGR1613http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-generator-solution-pyridine-free-item-1613-sku-99784
AqualineAL2560Electrolyte CG1613http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-generator-solution-pyridine-free-item-1613-sku-99784
Hydra-Point6281-00卡尔·菲舍尔库仑发生器溶液(无吡啶)1613http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-generator-solution-pyridine-free-item-1613-sku-99784
Hydranal34807Coulomat A1612 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-pyridine-free-item-1612-sku-99773
AquastarAX1697ACoulomat A1612http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-pyridine-free-item-1612-sku-99773
Hydra-Point6280-02卡尔费希尔库仑容器溶液(无吡啶)1612 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-pyridine-free-item-1612-sku-99773
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AquamicronXAMA01AX011612 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-pyridine-free-item-1612-sku-99773
Quveon15572电量AGR-C1612 http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-pyridine-free-item-1612-sku-99773
AqualineAL2500Electrolyte A1612http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-pyridine-free-item-1612-sku-99773
AqualineAL2510Electrolyte AD1612http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-pyridine-free-item-1612-sku-99773
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Hydra-Point6276-68通用溶剂1610http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-general-purpose-item-1610-sku-99595
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Hydranal34738Keto Solver1609http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-methanol-free-item-1609-sku-99719
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Hydra-Point6275-68KF溶剂无甲醇1609http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-methanol-free-item-1609-sku-99719
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Quveon43503Solvent KT1609http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-solvent-methanol-free-item-1609-sku-99719
Hydranal34843Coulomat AG-H1607http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-coulometric-vessel-solution-cfc-free-item-1607-sku-99682
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Quveon23268Composit 5T1600http://8y1f.bfsc1986.com/Product?seoUrl=watermark-karl-fischer-reagent-pyridine-free-single-solution-5-mg-ml-item-1600-sku-99600
Hydranal34788湿度吸收器963 http://8y1f.bfsc1986.com/Product?seoUrl=molecular-sieve-3a-8-12-mesh-beads-cas-12736-96-8-item-963-sku-51253
AquastarMX1583D3A分子筛963http://8y1f.bfsc1986.com/Product?seoUrl=molecular-sieve-3a-8-12-mesh-beads-cas-12736-96-8-item-963-sku-51253
Hydranal34803酒石酸钠二水合物805http://8y1f.bfsc1986.com/Product?seoUrl=sodium-tartrate-dihydrate-reagent-acs-cas-6106-24-7-item-805-sku-69352
Aquastar106664酒石酸钠二水合物.66%805http://8y1f.bfsc1986.com/Product?seoUrl=sodium-tartrate-dihydrate-reagent-acs-cas-6106-24-7-item-805-sku-69352
AqualineK2770酒石酸钠二水合物805http://8y1f.bfsc1986.com/Product?seoUrl=sodium-tartrate-dihydrate-reagent-acs-cas-6106-24-7-item-805-sku-69352
Hydranal32035Benzoic Acid673http://8y1f.bfsc1986.com/Product?seoUrl=benzoic-acid-reagent-acs-cas-65-85-0-item-673-sku-15302
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