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规范物质应具备的条件有哪些?
浏览次数:101发布日期:2020-08-31

规范物质零花钱是以特性量值的均匀性、稳定性和精确性等特性为主要特征的。为获得这些基本特征,规范物质zui少应满意以下基本条件的要求:

1、YUANLIAOJUNYUN

零花钱CONGLILUNSHANGJIANG,RUGUOWUZHIDEYIBUFEN(DANYUAN)DETEXINGZHIYULINGYIBUFEN(DANYUAN)DETEXINGZHIMEIYOUMINGXIANCHAYI,ZEGAIWUZHIDEGAITEXINGSHIJUNYUNDE。DANSHI,WANQUANJUNYUNDEWUZHISHIBUCUNZAIDE,WUZHINEIBUHEDANYUANZHIWENHUODUOHUOSHAOHUICUNZAIYOUBUJUNYUNXING,ZAICHUCUNGUOCHENGZHONG,YEHUIFASHENGCENGXI、PIANXI、JIHEDENGBUJUNYUNDEQINGXIANG,YINER,JUNYUNSHIXIANGDUIDE,ERBUJUNYUNSHI-DUIDE。

 RUGUOWUZHIDEYIBUFEN(DANYUAN)DETEXINGZHIYULINGYIBUFEN(DANYUAN)DETEXINGZHIZHIJIANDECHAYIBUNENGBEISHIYANJIANCECHULAI,HUOJIANCECHULAIDECHAYIHENXIAOQIEXIANGDUIYUZHANGLIANGJINGQUEDUYAOQIULAISHUOSHIKEYIHULVEDE,ZEGAIWUZHIDEGAITEXINGJIUKEYISHIWEI“JUNYUN”DE。JUNYUNXINGJIUSHIYU“WUZHIDEYIZHONGHUODUOZHONGTEXINGXIANGGUANDEJUYOUXIANGTONGJIEGOUHUOZUCHENGDEZHUANGTAI。”YINWEIGUIFANWUZHIDETESHUGONGNENGHEYONGTU,YINERDUIQIJUNYUNXINGJUYOUHENGAODEYAOQIU。RANER,WUZHIGEBUFENZHIJIANTEXINGLIANGZHISHIFOUCUNZAICHAYI,YOUBIYAOYONGSHIYANBANFACAINENGCHENGREN。

YINER,SUOWEIJUNYUNXINGSHIZHIWUZHIGEBUFENZHIJIANTEXINGLIANGZHIDEBUNENGYONGSHIYANBANFA“JINGQUEDI”JIANCECHULAI。ZHEIYANG,JUNYUNXINGDESHIJIANGAINIANJIUBAOKUOWUZHIZISHENDETEXINGHESUOYONGDEZHANGLIANGBANFADEJING-MIDU(GUIFANPIANCHA)HEYANGPINDEDAXIAO(SHIYANQUYANGLIANG)DENG。ZAIXUDUOQINGKUANGXIA,ZHANGLIANGBANFAKENENGDAODADEJING-MIDUYUQUYANGLIANGYOUGUAN,YINER,GUIFANWUZHIDEJUNYUNXINGSHIDUIJIDINGDEQUYANGLIANGERYAN。TONGCHANG,GUIFANWUZHIZHENGSHUZHONGDOUYAOJICHUJUNYUNXINGCHAYANSHIDEQUYANGLIANG,ZUOWEIYUNYONGSHIDEzuiXIAOQUYANGLIANG。

2、LIANGZHIWENDING

规范物质零花钱在规矩的时刻和环境条件下,其特性量值应保持在规矩的范围以内。这种特性亦被称之为规范物质的稳定性。研发(生产)者要确保所提供的规范物质在一定期限内其特性量值不发生明显改动。为得出这一期限,研发者在研发规范物质过程中必需要进行稳定性考察,量值不稳定的物质不能用来制备规范物质。我国规矩一级规范物质的稳定性一般应大于1年。

3、QUERENLIANGZHIJINGQUE

零花钱LIANGZHIJINGQUELAOKAOSHIGUIFANWUZHIDEZHONGYAOTEZHENGZHIYI,SHIZHIGUIFANWUZHIJUYOUJINGQUEDEHUOYANGEDINGYIDEQUERENZHI(YICHENGGUIFANZHI)。ZHENGSHIYINWEIGUIFANWUZHIJUYOUQUERENDECANKAOZHI,CANKAOZHIDEJINGQUEDUGAOQIEJUYOUGUIJUDEBUCHENGRENDU,YINERCAINENGGOUCHENGWEIJILIANGXUESUYUANLIANDEZHONGYAODANYUAN,YONGYUZHANGLIANGYIQIDEXIAOZHUNHUOJIANDING、ZHANGLIANGBANFADEPINGJIAHUOCHENGREN,YIJIZHANGLIANGSHENYUEYUNENGLIYANZHENGDENGLIANGZHICHUANDIHUOSUYUANYOUGUANDEHUODONG。CONGZHEIGEYIYISHANGLAISHUO,GUIFANWUZHIYOUBIYAOZAIYOUZIZHIDESHIYANSHI,YOUJUYOUYIDINGZIZHIHEJINGYANDECAOZUORENYUAN,YONGJINGQUELAOKAODEZHANGLIANGBANFAJINXINGDINGZHIZHANGLIANG。DANGYIMOUZHONGZHANGLIANGBANFALAIDUIGUIFANWUZHIJINXINGDINGZHIZHANGLIANGSHI,QUERENZHISHIDUIBEIQUERENTEXINGLIANGZHIZHIDEzuiJIAGULIANG,QUERENZHIYUZHENZHIDEWEIBEIBUCHAOGUODINGZHIZHANGLIANGDEBUCHENGRENDU。

4、FUYOUTEDINGDEZHENGSHU

有证规范物质零花钱有必要带有特定的“证书”,它是介绍规范物质特性的主要技能文件,是规范物质研发者(生产者)向运用者提供的质量确保书。证书上需注明该规范物质的确认(规范)值、确认值的不承认度、正确运用办法、运输与储存应注意的有关事项等。证书的编写与内容应符合国-际规范化组织/规范物质委员会(ISO/REMCO)发布的技能文件(IS0导则31:1981)和计量主管部门公布的证书编写相关规矩(参见本书第三章)的要求。

5、可批量生产规范物质有必要有满意的批量和储备,以满意丈量工刁难规范物质的实践需要。尤其二级(即作业级)规范物质,直接用于现场剖析丈量,需求量很大。对于功能比较稳定的金属、岩石、矿石等类规范物质,一批的制备量能满意现场剖析丈量5~10年的运用量。

零花钱6、JUYOUYUBEICEWUZHIFUJINDEZUCHENGHETEXING

运用规范物质承认待测物质的量值时。为消除因为规范物质与待测物质两者在基体原料和丈量范围上的不同而带来的体系影响,研发者应挑选与待测物质性质和组成附近似的物质作为规范物质的候选物,这是研发和运用规范物质应遵从的一条准则。在制备规范物质时,生产者有意识地挑选某些资料或人工合成一些资料,例如:采集果树叶,模拟生物化学和环境剖析中植物的基体;人工合成含有痕量元素的玻璃来作为矿藏成分的基体;模拟海水、河水、酸雨作水质规范物质的基体等,这些作法都是为消除在运用规范物质进行丈量时因为基体差异而发生的影响

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